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Family:
Marriage: Children:
  1. Gaston De FOIX, Vicount Of Castlebon Birth: Abt 1444 Death: 23 Nov 1470 in Libourne
  2. Catherine De FOIX Birth: Before 1456 Death: Before 30 Jan 1494
  3. Marguerite De FOIX Birth: After 1458 Death: 15 May 1488 in Clisson

Bibliography
  1. Casanovas, Francis M, Les Ancetres D'Henri IV, 512 Quartiers, Paris: Editions Christian, c1991. NYPL ASB 92-8890. Information from this source tagged as [Ref: Casanovas HenriIV p[0-9]*].
  2. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
  3. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.1 (#1-#200): Herzogs und Grafenhauser des Heiligen Romischen Reiches Andere Europaische Furstenhauser. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES III.1 #[0-9]*].
  4. Thompson, Neil D, and Hansen, Charles M, Medieval Heritage: The Ancestry of Charles II, King of England, The Genealogist, 2:157-68, 3:25-44, 3:175-94, 4:144-58, 5:64-72, 5:226-39, 6:100-3, 6:148-65, 7-8:137-43, 9:40-4, 10:73-85, 11:63-72, 11:184-93, 12:83-90, 12:250-6, 13:92-9, 13:252-6, 14:81-4, 14:207-10, 15:99-103, 15:220-4, 16:93-8, 16:227-31, 17:61-4, 17:250-5, 18:123-7, 18:228-31, 19:62-8, 19:251-5, 20:85-8, 20:184-90, 21:71-5, 21:250-4, 22:101-6, 22:186-91, 23:73-9, 23:203-8, 24:110-27, 24:239-54, 25:56-73, 25:214-32, 26:77-101, 26:202-26, 27:189, 28:90, 33:300. NYPL APA 82-1000. Available at https://www.americanancestors.org/databases/genealogist-the/image/. Reprinted, with further corrections, as Thompson, Neil D, and Hansen, Charles M, The Ancestry of Charles II, King of England: A Medieval Heritage. Saline, Michigan: McNaughton & Gunn, 2012. NYPL ARF 13-5787. Information from this source tagged as [Ref: Thompson CharlesII v[0-9]*-[0-9]*].

Sources for birth and parent Information
date:
[Ref: Thompson CharlesII v03-184]
26 Feb 1423 [Ref: Casanovas HenriIV p47],
parents:
[Ref: Casanovas HenriIV p58, ES II #14A, Thompson CharlesII v05-69]
Sources with Inaccurate birth and parent Information
note:
not 1425, as is sometimes given [Ref: Thompson CharlesII v03-184(37)]
Sources for death Information
date:
[Ref: Thompson CharlesII v03-184]
25 Jul 1472 [Ref: Casanovas HenriIV p47],
place:
[Ref: Casanovas HenriIV p47, ES II #14A, ES II #66, Thompson CharlesII v03-184]
Sources with Inaccurate death Information
date:
25.VII 1472 [Ref: ES II #14A, ES II #66],
note:
not 21 Jul, as sometimes given [Ref: Thompson CharlesII v03-184(38)]
Sources for burial Information
place:
[Ref: Casanovas HenriIV p47, Thompson CharlesII v03-184]
Sources with Information about marriage to Leonor Of Aragon
date:
[Ref: Thompson CharlesII v03-184]
repeated 12 Oct 1434 at Olite [Ref: Thompson CharlesII v03-184(39a)],
place:
[Ref: Thompson CharlesII v03-184],
child:
[Ref: Casanovas HenriIV p47, ES II #14A, ES III.1 #149, Thompson CharlesII v03-184, Thompson CharlesII v03-191]
Sources with Inaccurate marriage information
date:
30 Jul 1436 [Ref: Casanovas HenriIV p47]
30.VII 1436 [Ref: ES II #14A, ES II #66],
note:
date of 30 Jul sometimes given (e.g. ES) is incorrect [Ref: Thompson CharlesII v03-184(39b)]
Research Notes:
Count of Foix [Ref: ES II #14A, Thompson CharlesII v03-184]
Count of Bigorre [Ref: ES II #14A]
Vicount of Bearn [Ref: ES II #14A]

1436: Count of Foix [Ref: Thompson CharlesII v03-184]

fought the English for King Charles VII [Ref: Thompson CharlesII v03-184]

1444: Lieutenant-General in Guyenne and Gascony [Ref: Thompson CharlesII v03-184]

1457: Prince of Navarre [Ref: Thompson CharlesII v03-184]

1458: created Peer of France [Ref: Thompson CharlesII v03-184]

servant, but at his death enemy, of King Louis XI [Ref: Thompson CharlesII v03-184]

died on the feast day of the Seven Brothers Martyrs, which is 10 Jul, the day after he made his will [Ref: Thompson CharlesII v03-184(38)]



Pedigree of Gaston IV Count Of Foix
                                     /-----Jean I De Grailly, Vicount Of Benauges
                            /-----Pierre I De Grailly, Vicount Of Benauges
                           |        |         /-----Gaillard Seigneur Of Landirons
                           |         \-----Clairemonde De La Motte
                   /-----Pierre II De Grailly, Vicount Of Benauges
                  |         \-----Thalese De Bouville
          /-----Archembaud De Grailly, Vicount Of Castillon
         |        |         /-----Helie VII Count Of Perigord
         |         \-----Rosemburge Of Perigord
         |                  \-----Brunissence De Foix
 /-----Jean III De Grailly, Count Of Foix
|        |                  /-----Roger-Bernard I Vicount Of Castelbon
|        |         /-----Roger Bernard II Vicount Of Castelbon
|        |        |         \-----Constanza Perez De Luna
|         \-----Isabel De FOIX
|                 |         /-----Garcie Arnaud V Baron of Navailles
|                  \-----Gerarde Of Navailles
|                           \-----Bearnaise De Miremont
Gaston IV Count Of Foix
|                                    /-----Amanjeau VII Sire Of Albret
|                           /-----Bernard Ezy V Sire Of Albret
|                          |         \-----Rose Du Bourg
|                  /-----Amanjeu Sire Of Albret, Vicount Of Tartas
|                 |        |         /-----Bernard VI Count Of Armagnac
|                 |         \-----Mathe Of Armagnac
|                 |                 |         /-----Henry II Count Of Rodez
|                 |                  \-----Cecilia De Rodez
|         /-----Charles I De Albret, Count Of Dreux
|        |        |                                             /-----Louis VIII The Lion King Of France
|        |        |                                    /-----Saint Louis IX King Of France
|        |        |                                   |         \-----Blanche Of Castile
|        |        |                           /-----Robert Count Of Clermont, Seigneur De Bourbon
|        |        |                          |        |         /-----Raymond Berengar IV Count Of Provence And Forcalquier
|        |        |                          |         \-----Marguerite Of Provence
|        |        |                          |                  \-----Beatrice Of Savoy
|        |        |                  /-----Louis I Duke Of Bourbon, Count Of Clermont
|        |        |                 |        |                  /-----Hugh IV Duke Of Burgundy
|        |        |                 |        |         /-----John Of Burgundy
|        |        |                 |        |        |         \-----Yolande De DREUX
|        |        |                 |         \-----Beatrix Of Bourbon
|        |        |                 |                 |         /-----Archembaud Sengneur De Bourbon
|        |        |                 |                  \-----Agnes Of Bourbon
|        |        |                 |                           \-----Yolanda Of St. Pol
|        |        |         /-----Peter I Duke Of Bourbon
|        |        |        |        |                           /-----Richard Seigneur Of Avesnes
|        |        |        |        |                  /-----John I De AVENES, Count Of Hainault
|        |        |        |        |                 |         \-----Margaret Of Flanders
|        |        |        |        |         /-----John II Count Of Hainault, Count Of Holland
|        |        |        |        |        |        |         /-----Florence IV Count Of Holland
|        |        |        |        |        |         \-----Adelaide Of Holland
|        |        |        |        |        |                  \-----Matilda Of Brabant
|        |        |        |         \-----Mary Of Hainault
|        |        |        |                 |                  /-----Waleran IV Duke Of Limburg
|        |        |        |                 |         /-----Henry II The Blond Count Of Luxembourg And La Roche
|        |        |        |                 |        |         \-----Ermensende Of Namur
|        |        |        |                  \-----Philippa Of Luxembourg
|        |        |        |                          |         /-----Henry II Count Of Bar, Seigneur De Ligny
|        |        |        |                           \-----Margaret Of Bar
|        |        |        |                                    \-----Phillippe Of Dreux
|        |         \-----Marguerite Of Bourbon
|        |                 |                                    /-----Louis VIII The Lion King Of France
|        |                 |                           /-----Saint Louis IX King Of France
|        |                 |                          |         \-----Blanche Of Castile
|        |                 |                  /-----Phillip III The Bold King Of France
|        |                 |                 |        |         /-----Raymond Berengar IV Count Of Provence And Forcalquier
|        |                 |                 |         \-----Marguerite Of Provence
|        |                 |                 |                  \-----Beatrice Of Savoy
|        |                 |         /-----Charles Count Of Valois And Anjou
|        |                 |        |        |                  /-----Peter II King Of Aragon
|        |                 |        |        |         /-----James I The Conqueror King Of Aragon
|        |                 |        |        |        |         \-----Mary Of Montpellier
|        |                 |        |         \-----Isabelle Of Aragon
|        |                 |        |                 |         /-----Andrew II King Of Hungary
|        |                 |        |                  \-----Iolande Of Hungary
|        |                 |        |                           \-----Iolande De Courtenay
|        |                  \-----Isabel Of Valois
|        |                          |                           /-----Hugh Of Chatillon, Count Of Blois
|        |                          |                  /-----Guy II Of Chatilion, Count Of St. Pol
|        |                          |                 |         \-----Mary Of Avesnes, Countess Of Blois
|        |                          |         /-----Guy III Of Chatilion, Count Of St. Pol
|        |                          |        |        |         /-----Henry II The Conqueror Duke Of Brabant
|        |                          |        |         \-----Matilda Of Brabant
|        |                          |        |                  \-----Marie Of Swabia
|        |                           \-----Maud De CHATILLON
|        |                                   |                  /-----John Le Roux De BRETAGNE, Duke Of Brittany
|        |                                   |         /-----John De BRETAGNE, Duke Of Brittany
|        |                                   |        |         \-----Blanche Of Navarre
|        |                                    \-----Marie Of Brittany
|        |                                            |         /-----Henry III King Of England
|        |                                             \-----Beatrice
|        |                                                      \-----Eleanor Of Provence
 \-----Jeanne De Albret
         |                  /-----Jean II Sire De Sully
         |         /-----Louis Sire De Sully
         |        |        |                                    /-----Louis VIII The Lion King Of France
         |        |        |                           /-----Saint Louis IX King Of France
         |        |        |                          |         \-----Blanche Of Castile
         |        |        |                  /-----Robert Count Of Clermont, Seigneur De Bourbon
         |        |        |                 |        |         /-----Raymond Berengar IV Count Of Provence And Forcalquier
         |        |        |                 |         \-----Marguerite Of Provence
         |        |        |                 |                  \-----Beatrice Of Savoy
         |        |        |         /-----Louis I Duke Of Bourbon, Count Of Clermont
         |        |        |        |        |                  /-----Hugh IV Duke Of Burgundy
         |        |        |        |        |         /-----John Of Burgundy
         |        |        |        |        |        |         \-----Yolande De DREUX
         |        |        |        |         \-----Beatrix Of Bourbon
         |        |        |        |                 |         /-----Archembaud Sengneur De Bourbon
         |        |        |        |                  \-----Agnes Of Bourbon
         |        |        |        |                           \-----Yolanda Of St. Pol
         |        |         \-----Margaret Of Bourbon
         |        |                 |                           /-----Richard Seigneur Of Avesnes
         |        |                 |                  /-----John I De AVENES, Count Of Hainault
         |        |                 |                 |         \-----Margaret Of Flanders
         |        |                 |         /-----John II Count Of Hainault, Count Of Holland
         |        |                 |        |        |         /-----Florence IV Count Of Holland
         |        |                 |        |         \-----Adelaide Of Holland
         |        |                 |        |                  \-----Matilda Of Brabant
         |        |                  \-----Mary Of Hainault
         |        |                          |                  /-----Waleran IV Duke Of Limburg
         |        |                          |         /-----Henry II The Blond Count Of Luxembourg And La Roche
         |        |                          |        |         \-----Ermensende Of Namur
         |        |                           \-----Philippa Of Luxembourg
         |        |                                   |         /-----Henry II Count Of Bar, Seigneur De Ligny
         |        |                                    \-----Margaret Of Bar
         |        |                                             \-----Phillippe Of Dreux
          \-----Marie Of Sully
                  |         /-----Maurice VII Of Craon
                   \-----Isabel Of Craon
                            \-----Marguerite De Mello



Descendants of Gaston IV Count Of Foix
1. Gaston IV Count Of Foix m. Leonor Of Aragon
m. Leonor Of Aragon father: John II King Of Aragon mother: Blanca Of Evreux

2nd generation

2. Gaston De FOIX, Vicount Of Castlebon m. Madeline Of France
m. Madeline Of France father: Charles VII King Of France mother: Mary Of Anjou
3. Catherine De FOIX m. Gaston De FOIX, Count Of Candale
m. Gaston De FOIX, Count Of Candale father: Jean De FOIX, K.G., Vicount of Castillon, Ea mother: Margaret KERDESTON
4. Marguerite De FOIX m. Frances II MONTFORT, Duke of Brittany
m. Frances II MONTFORT, Duke of Brittany father: Richard MONTFORT, Count of Etampes mother: Margaret of Orleans

3rd generation

5. Catherine De FOIX m. Jean De Albret, King Of Navarre
m. Jean De Albret, King Of Navarre father: Alain De Albret, Count Of Gavre And Perigord mother: Francoise Of Blois
6. Gaston De FOIX, Count Of Candale m.
7. Anne De FOIX m. Vladislav II King Of Bohemia And Hungary
m. Vladislav II King Of Bohemia And Hungary father: Kasimir IV Grand Duke Of Lithuania, King Of Poland mother: Elizabeth Of Austria

4th generation

9. Henri II De Albret, King Of Navarre m. Marguerite Of Angouleme
m. Marguerite Of Angouleme father: Charles Count Of Angouleme mother: Louise Of Savoy
10. Frederick De FOIX, Count Of Candale m.
11. Anna Of Bohemia m. Ferdinand I Duke Of Austria, Emperor
m. Ferdinand I Duke Of Austria, Emperor father: Philip I King Of Castille mother: Juana Of Aragon

5th generation

12. Jeanne De Albret, Queen Of Navarre m. Antoine De Bourbon, Duke Of Vendome
m. Antoine De Bourbon, Duke Of Vendome father: Charles De Bourbon, Duke Of Vendome mother: Francoise Of Alenon
13. Henry De FOIX, Count Of Candale m.
14. Johanna Of Austria m. Francesco I De Medici, Grand Duke Of Tuscany
m. Francesco I De Medici, Grand Duke Of Tuscany father: Cosimo I De Medici, Duke Of Florence mother: Leonora Alvarez De Toledo