Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 06-30-2022.

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

    Person Info
  • Name: Thomas De St JOHN
  • Sex: M
  • Birth: Saint John-Le-Thomas, Manche, Arr Avranches b
  • Death: Before 1130 d


    • Parents:
  • Father:
  • Ralph De St JOHN Birth: Saint John-Le-Thomas, Manche, Arr Avranches Death: After 1053

Family:
Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 11, Ridley-Sinclair. London: St Catherine Press, 1949. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/27141 Information from this source tagged as [Ref: CP XI [Ap][p0-9].*].
  2. Keats-Rohan, K.S.B., Domesday Descendants, A Prosopography of Persons Occurring in English Documents 1066-1166. Vol II: Pipe Rolls to Cartae Baronum. Bury St Edmunds, Suffolk: Boydell Press, 2002. NYPL ARF 03-4178 vol 2. Corrections at http://users.ox.ac.uk/~prosop/domesday-descendants-corrigenda.pdf Information from this source tagged as [Ref: Keats-Rohan DD p[0-9]*].
  3. Round, J H, Families of St John and of Port, in The Genealogist vol 16, 1900. Journal available at https://familysearch.org/search/catalog/14199. Available at http://archive.org/details/genealogist16lond. Information from this source tagged as [Ref: Round StJohn p[0-9]*].

Sources for birth and parent Information
place:
[Ref: Keats-Rohan DD p690],
father:
[Ref: Keats-Rohan DD p690],
brother:
John and Roger de St John [Ref: Round StJohn p5]
Sources for death Information
date:
before 1130 [Ref: CP XI p341]
Research Notes:
1106: ineffectually blockaded Tinchebrai on behalf of Henry I [Ref: CP XI p341, Keats-Rohan DD p691]

by 1108: a leading man in Oxfordshire [Ref: CP XI p341, Keats-Rohan DD p691]

1110-17: Sheriff of Oxfordshire [Ref: Keats-Rohan DD p691]

held land in Berkshire and Gloucestershire [Ref: CP XI p341, Keats-Rohan DD p691]

in Normandy he was a vassal of the abbey of Mont-Saint-Michel, and incurred the abbot's wrath when he and his brothers laid waste abbey property in order to build their castle at Saint-Jean. An accord was reached in 1121 [Ref: Keats-Rohan DD p691]

d.s.p; heir was his brother Roger [Ref: Keats-Rohan DD p691]



Pedigree of Thomas De St JOHN
 /-----Ralph De St JOHN
Thomas De St JOHN



Descendants of Thomas De St JOHN
1. Thomas De St JOHN