Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 12-10-2023.

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:
Children:
  1. Alexander De St JOHN Death: After 1340

Bibliography
  1. Portculis, Corrected St. John ancestry. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 1/29/1998. Subject: Corrected St. John ancestry. Available at https://groups.google.com/g/soc.genealogy.medieval/c/vzyLA-greOA/m/Yw9-lqZgEIsJ. Author address: portculis at aol dot com. Information from this source tagged as [Ref: Portculis SGM 1/29/1998].

Sources for birth and parent Information
father:
[Ref: Portculis SGM 1/29/1998]
Sources with Information about marriage to unknown
child:
[Ref: Portculis SGM 1/29/1998]
Research Notes:
of Fonmon, Glamorgan [Ref: Portculis SGM 1/29/1998]



Pedigree of Sir John De St JOHN
                                                       /-----(Unk) De PORT
                                              /-----Hugh De PORT, Baron Of Basing
                                     /-----Henry De PORT, Baron Of Basing
                                    |         \-----Orence
                            /-----John De PORT, Baron Of Basing
                           |         \-----Hawise
                   /-----Adam De PORT, Baron Of Basing
                  |         \-----Maud
          /-----William De St JOHN, Baron Of Basing
         |        |                  /-----Hugh De ORVAL
         |        |         /-----Rainald De ORVAL
         |         \-----Mabel De ORVAL
         |                 |                  /-----Ralph De St JOHN
         |                 |         /-----Roger De St JOHN
         |                  \-----Muriel De St JOHN
         |                          |         /-----Robert De La HAY, Lord Of Hanlac
         |                           \-----Cecily De La HAIE
         |                                   |                  /-----Colswein Of Lincoln, Baron Of Brattlesby
         |                                   |         /-----Picot Of Lincoln, Baron Of Brattlesby
         |                                    \-----Muriel Of Lincoln
         |                                             \-----Beatrice
 /-----William De St JOHN
|        |                                                      /-----Roger I De TOENI
|        |                                             /-----Ralph III De TOENI, Baron Of Flamstead
|        |                                            |         \-----Godehildie
|        |                                    /-----Ralph IV De TOENI, Baron Of Flamstead
|        |                                   |        |         /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
|        |                                   |         \-----Isabel De MONTFORT
|        |                                   |                  \-----Isabel Of Broyes
|        |                           /-----Roger III De TOENI, Baron Of Flamstead
|        |                          |        |                  /-----Sigurd Digera Earl Of Northumbria
|        |                          |        |         /-----Waltheof II Earl Of Huntingdon
|        |                          |        |        |         \-----Aelflaed
|        |                          |         \-----Alice Of Northumberland
|        |                          |                 |         /-----Lambert Of Boulogne, Count Of Lens
|        |                          |                  \-----Judith Of Lens
|        |                          |                           \-----Adelaide Of Normandy
|        |                  /-----Ralph V De TOENI, Baron Of Flamstead
|        |                 |        |                           /-----Baldwin VI De MONS, Count Of Flanders
|        |                 |        |                  /-----Baldwin II Count Of Hainault
|        |                 |        |                 |         \-----Richilde Countess Of Hainault
|        |                 |        |         /-----Baldwin III Count Of Hainault
|        |                 |        |        |        |         /-----Henry II Of Brabant, Count Of Lorraine
|        |                 |        |        |         \-----Ida Of Louvain
|        |                 |        |        |                  \-----Adelaide Of Betuew
|        |                 |         \-----Ida (Gertrude) Of Hainault
|        |                 |                 |                  /-----Dietrich Flameus Count In The Velux
|        |                 |                 |         /-----Gerald I Count Of Guelders And Wassenberg
|        |                 |                  \-----Yolande Of Guelders
|        |         /-----Roger IV De TOENI, Baron Of Flamstead
|        |        |        |                                    /-----Humphrey De Vieilles
|        |        |        |                           /-----Roger De Beaumont
|        |        |        |                          |         \-----Aubreye De La Haie
|        |        |        |                  /-----Sir Robert De Beaumont, Earl Of Leicester
|        |        |        |                 |        |         /-----Waleran Count Of Meulan
|        |        |        |                 |         \-----Adelise Of Meulan
|        |        |        |                 |                  \-----Ode
|        |        |        |         /-----Sir Robert II De Beaumont, Earl Of Leicester
|        |        |        |        |        |                  /-----Henry I King Of France
|        |        |        |        |        |         /-----Hugh Magnus Duke Of France
|        |        |        |        |        |        |         \-----Anne Of Kiev
|        |        |        |        |         \-----Isabel De Vermandois, Countess Of Leicester
|        |        |        |        |                 |         /-----Herbert IV Count Of Vermandois
|        |        |        |        |                  \-----Adelaide De Vermandois, Countess Of Vermandois
|        |        |        |        |                           \-----Adela De Valois
|        |        |         \-----Margaret De BEAUMONT
|        |        |                 |                           /-----Ralph De Gael, Earl Of Norfolk
|        |        |                 |                  /-----Ralph De Gael De Montfort, Earl Of Norfolk
|        |        |                 |                 |         \-----Getha
|        |        |                 |         /-----Ralph De MONTFORT, Seigneur Of Montfort-Gael
|        |        |                 |        |        |         /-----William Fitz Osbern, Earl Of Hereford
|        |        |                 |        |         \-----Emma Fitz Osbern
|        |        |                 |        |                  \-----Adelise De TONI
|        |        |                  \-----Amicia De Gael
|         \-----Godeheut
|                 |                                             /-----Raoul V Vicount Of Beaumont And Maine
|                 |                                    /-----Hubert Vicount Of Beaumont And Maine
|                 |                                   |         \-----Emma De Montevrault, Dame De Lude
|                 |                           /-----Raoul VII Vicount Of Fresnay, Beaumont, And St Suz
|                 |                          |        |         /-----William I Count Of Nevers
|                 |                          |         \-----Ermengarde Of Nevers
|                 |                          |                  \-----Ermengarde Of Tonnerre
|                 |                  /-----Roscelin De BEAUMONT, Viscount Of Maine
|                 |                 |        |                  /-----Hamon Lord Of Laval
|                 |                 |        |         /-----Guy II Sire De Laval
|                 |                 |        |        |         \-----Hersende
|                 |                 |         \-----Adenor Of Laval
|                 |                 |                 |         /-----Robert De Mortain, Count Of Mortain In Avranchi
|                 |                 |                  \-----Denise Of Mortain
|                 |                 |                           \-----Maud De Montgomery
|                 |         /-----Richard I De BEAUMONT, Viscount Of Maine
|                 |        |        |                           /-----Robert I The Devil Duke Of Normandy
|                 |        |        |                  /-----William The Conqueror King Of England
|                 |        |        |                 |         \-----Herleve Of Falaise
|                 |        |        |         /-----Henry I Beauclerc King Of England
|                 |        |        |        |        |         /-----Baldwin V Count Of Flanders
|                 |        |        |        |         \-----Maud Of Flanders
|                 |        |        |        |                  \-----Adelaide Of France
|                 |        |         \-----Constance
|                  \-----Constance De BEAUMONT
|                          |         /-----Richard II Seigneur of l'Aigle
|                           \-----Lucie De L'AIGLE
|                                    \-----Beatrice
Sir John De St JOHN



Descendants of Sir John De St JOHN
1. Sir John De St JOHN m.

2nd generation

2. Alexander De St JOHN m. Elizabeth De UMPHREVILLE
m. Elizabeth De UMPHREVILLE father: Sir Henry De UMPHREVILLE

3rd generation

3. Oliver De St JOHN m. Elizabeth De LUCCOMBE
m. Elizabeth De LUCCOMBE father: Hugh De LUCCOMBE mother: Elizabeth

4th generation

5. John De St JOHN m. Elizabeth
m. Elizabeth father: Sir John De La Bere mother: Agnes De TURBERVILLE

5th generation

6. Sir John De St JOHN m. Isabel De PAVELEY
m. Isabel De PAVELEY father: Sir John De PAVELEY