Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

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 available to be downloaded.

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


Individual Page


Family:
Marriage: Children:
  1. John De COGAN Death: 1278

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 03 Canonteigh-Cutts. London: St Catherine Press, 1913. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 3 also available at http://archive.org/completepeerageo03coka Information from this source tagged as [Ref: CP III [Ap][p0-9].*].

Sources for birth and parent Information
brother:
Walter de RIDDELESFORD [Ref: CP III p357(a)]
Sources with Information about marriage to Richard De COGAN
child:
[Ref: CP III p357(a)]
Research Notes:
sister of Walter de Ridelesford, of Bray, co Dublin, and Castledermont, co Kildare [Ref: CP III p357(a)]



Pedigree of Basilie De RIDDELESFORD
 /-----Walter De RIDELISFORD
Basilie De RIDDELESFORD
|                                                               /-----William Longspee Duke Of Normandy
|                                                      /-----Richard I The Fearless Duke Of Normandy
|                                                     |         \-----Espriota
|                                             /-----Richard II The Good Duke Of Normandy
|                                            |        |         /-----(Unk) Forquelar Of Cirques
|                                            |         \-----Gunnora
|                                    /-----Robert I The Devil Duke Of Normandy
|                                   |        |                  /-----Judhael Count Of Rennes
|                                   |        |         /-----Conan I Duke Of Brittany
|                                   |        |        |         \-----Gerberge
|                                   |         \-----Judith Of Brittany
|                                   |                 |         /-----Geoffrey I Grisgonelle Count Of Anjou
|                                   |                  \-----Ermengarde Of Anjou
|                                   |                           \-----Adele Of Troyes
|                           /-----William The Conqueror King Of England
|                          |        |         /-----Fulbert Of Falaise
|                          |         \-----Herleve Of Falaise
|                          |                  \-----Duxia
|                  /-----Henry I Beauclerc King Of England
|                 |        |                                    /-----Baldwin III Count Of Flanders
|                 |        |                           /-----Arnold II The Young Count Of Flanders
|                 |        |                          |         \-----Matilda Of Saxony
|                 |        |                  /-----Baldwin IV The Bearded Count Of Flanders
|                 |        |                 |        |         /-----Berengar II King Of Italy
|                 |        |                 |         \-----Rosela Of Italy
|                 |        |                 |                  \-----Willa Of Aries
|                 |        |         /-----Baldwin V Count Of Flanders
|                 |        |        |        |                  /-----Siegfried Count Of Luxemburg
|                 |        |        |        |         /-----Frederick I Count Of Luxemburg
|                 |        |        |        |        |         \-----Hedwig Of Nordgau
|                 |        |        |         \-----Ogive Of Luxembourg
|                 |        |        |                 |         /-----Herbert I Count In The Kinziggau
|                 |        |        |                  \-----Ermentrude Of Kinziggau
|                 |        |        |                           \-----Irmentrude
|                 |         \-----Maud Of Flanders
|                 |                 |                           /-----Hugh Magnus Duke Of The Franks, Count Of Paris
|                 |                 |                  /-----Hugh Capet King Of France
|                 |                 |                 |         \-----Hedwig Of Saxony
|                 |                 |         /-----Robert II The Pious King Of France
|                 |                 |        |        |         /-----William I Count Of Poitou, Duke Of Aquitaine
|                 |                 |        |         \-----Adelaide Of Poitou
|                 |                 |        |                  \-----Gerloc Of Normandy
|                 |                  \-----Adelaide Of France
|                 |                          |                  /-----Boso II Count Of Provence
|                 |                          |         /-----William I Count Of Aries And Provence
|                 |                          |        |         \-----Constance
|                 |                           \-----Constance Of Provence
|                 |                                   |         /-----Fulk II The Good Count Of Anjou
|                 |                                    \-----Adelaide (Blanch) Of Anjou
|                 |                                             \-----Gerberga Of Nevers
|         /-----Henry FITZ HENRY
|        |        |         /-----Rhys Ap Tudor Mawr Prince Of South Wales
|        |         \-----Nest Of Wales, Princess Of Deheubarth
|        |                 |         /-----Rhiwallon Ap Cynfn Of Powys
|        |                  \-----Gladys Of Powys
 \-----Amabilis FITZ HENRY



Descendants of Basilie De RIDDELESFORD
1. Basilie De RIDDELESFORD m. Richard De COGAN
m. Richard De COGAN father: William De COGAN

2nd generation

2. John De COGAN m. Mary PRENDEGAST
m. Mary PRENDEGAST father: Gerald De PRENDEGAST

3rd generation

4. John De COGAN m. Julian FITZ GERALD
m. Julian FITZ GERALD father: Gerald FITZ MAURICE

4th generation

5. John De COGAN m.

5th generation

6. Thomas De COGAN m. Pernell
m. Pernell