Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-07-2023.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom may be downloaded here.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Marriage: Children:
  1. Frederick II GONZAGA, Duke Of Mantua

Bibliography
  1. Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States: who were themselves notable or left descendants notable in American history, with a 2008 Addendum, Coda, and Final Additions. Baltimore, MD: Gen Pub Co, 2008. NYPL APK 08-4216. Information from this source tagged as [Ref: Roberts RD600 p[0-9]*].

Sources for birth and parent Information
parents:
[Ref: Roberts RD600 p88]
Sources with Information about marriage to Francis II GONZAGA, Marquess Of Mantua
child:
[Ref: Roberts RD600 p88]
Research Notes:



Pedigree of Isabella Of Este
 /-----Hercules I Duke Of Modena And Ferrara
Isabella Of Este
|                                                               /-----Ferdinand IV King Of Castile And Leon
|                                                      /-----Alfonso XI King Of Castile And Leon
|                                                     |         \-----Constance Of Portugal
|                                             /-----Henry II Of Trastamara, King Of Castile And Leon
|                                            |        |         /-----Pedro Nunez De Guzman
|                                            |         \-----Eleanor De Guzman
|                                            |                  \-----Beatrix Ponce De Leon
|                                    /-----John I King Of Castille
|                                   |        |                  /-----John Emanuel Of Pennafiel & Escalona
|                                   |        |         /-----John Emanuel Of Pennafield
|                                   |        |        |         \-----Beatrice Of Savoy
|                                   |         \-----Joanna Of Pennafield
|                                   |                 |         /-----Fernando De La Cerda
|                                   |                  \-----Blanche De La Cerda
|                                   |                           \-----Juana Nunez De Lara
|                           /-----Ferdinand I King Of Aragon
|                          |        |                           /-----James II King Of Sicily And Aragon
|                          |        |                  /-----Alphonso IV King Of Aragon
|                          |        |                 |         \-----Blanche Of Naples
|                          |        |         /-----Peter IV King Of Aragon
|                          |        |        |        |         /-----Gombaldo De Entenza, Sn De Alcolea
|                          |        |        |         \-----Theresa Countess Of Urgel
|                          |        |        |                  \-----Constenza Seigneura Of Antillon, Heiress Of Urgel
|                          |         \-----Eleanor Of Aragon
|                          |                 |                  /-----Frederick II King Of Sicily
|                          |                 |         /-----Peter II King Of Sicily
|                          |                 |        |         \-----Eleanor Of Naples
|                          |                  \-----Eleanor Of Sicily
|                          |                          |         /-----Otto Duke Of Carinthia, Count Of Tyrol
|                          |                           \-----Elizabeth Of Tyrol
|                          |                                    \-----Euphenia Of Liegnitz
|                  /-----Alfonso V King Of Aragon
|                 |        |                                    /-----Sancho IV King Of Castile And Leon
|                 |        |                           /-----Ferdinand IV King Of Castile And Leon
|                 |        |                          |         \-----Maria Alfonso Of Molina
|                 |        |                  /-----Alfonso XI King Of Castile And Leon
|                 |        |                 |        |         /-----Diniz King Of Portugal
|                 |        |                 |         \-----Constance Of Portugal
|                 |        |                 |                  \-----Elizabeth Of Aragon
|                 |        |         /-----Sancho Alfonso Count Of Albuquerque
|                 |        |        |        |         /-----Pedro Nunez De Guzman
|                 |        |        |         \-----Eleanor De Guzman
|                 |        |        |                  \-----Beatrix Ponce De Leon
|                 |         \-----Eleanor Of Albuquerque
|                 |                 |                           /-----Diniz King Of Portugal
|                 |                 |                  /-----Alfonso IV The Brave King Of Portugal
|                 |                 |                 |         \-----Elizabeth Of Aragon
|                 |                 |         /-----Peter I King Of Portugal
|                 |                 |        |        |         /-----Sancho IV King Of Castile And Leon
|                 |                 |        |         \-----Beatrix Of Castile
|                 |                 |        |                  \-----Maria Alfonso Of Molina
|                 |                  \-----Beatrix Of Portugal
|                 |                          |         /-----Pedro Fernandez De Castro
|                 |                           \-----Inez De Castro
|                 |                                    \-----Aldonca De Valladores
|         /-----Ferdinand I King Of Naples
|        |         \-----Giraldona CARLINO
 \-----Eleanor Of Naples
         |         /-----Tristan Count Of Cupertino
          \-----Isabel Of Clermont
                   \-----Caterina ORSINI De Tarento



Descendants of Isabella Of Este
1. Isabella Of Este m. Francis II GONZAGA, Marquess Of Mantua
m. Francis II GONZAGA, Marquess Of Mantua

2nd generation

2. Frederick II GONZAGA, Duke Of Mantua m. Margaret PALAEOLOGINA
m. Margaret PALAEOLOGINA

3rd generation

3. Isabella GONZAGA m. Ferdinando Francesco De AVALOS, Prince Of Francavilla
m. Ferdinando Francesco De AVALOS, Prince Of Francavilla

4th generation

4. Alfonso Felice De AVALOS, Prince Of Francavilla m. Lavinia Della Rovere Of URBINO
m. Lavinia Della Rovere Of URBINO

5th generation

5. Isabella De AVALOS, Princess Of Francavilla m. Inigo De AVALOS, Prince Of Francavilla
m. Inigo De AVALOS, Prince Of Francavilla