Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-30-2024.

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

    Person Info
  • Name: Ralph De PLAIZ
  • Sex: M
  • Birth: Abt 1266 b
  • Death: Abt 6 Nov 1283 d


    • Parents:
  • Father:
  • Richard De PLAIZ Birth: Abt 1228 Death: Abt 8 Jul 1269
    • Mother:
  • Joan Death: After 1302

Family:
Marriage:
Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 06 Gordon-Huntley. London: St Catherine Press, 1926. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP VI [Ap][p0-9].*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 10, Oakham-Richmond. London: St Catherine Press, 1945. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP X [Ap][p0-9].*].
  3. Phillips, Chris, Corrections and Additions to the Complete Peerage, http://www.medievalgenealogy.org.uk/cp/index.shtml Information from this source tagged as [Ref: CP++ .*].
  4. Phillips, Chris, Isabel widow of Ralph de Plaiz. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 2/24/2002. Subject: CP additions/(?)correction re Plaiz. Available at https://groups.google.com/g/soc.genealogy.medieval/c/bEeB-4SGcWo/m/7PUSBL647ysJ. Author address cgp100 at cgp100 dot dabso1 dot co dot uk. Information from this source tagged as [Ref: Chris Phillips SGM 2/24/2002-081355].
  5. Clutterbuck, Robert, History and Antiquities of the County of Hertford, London: Nichols, Son, and Bentley, 1815-27, v1-3. Available at https://familysearch.org/search/catalog/188626. Information from this source tagged as [Ref: Clutterbuck Hertford v[1-3]p[0-9]*].
  6. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v4p[0-9]*].
  7. Sanders, I. J., English Baronies, A Study of Their Origin and Descent 1086-1327. Oxford: Clarendon Press, 1960. Information from this source tagged as [Ref: Sanders Baronies p[0-9]*].

Sources for birth and parent Information
date:
age 2.5-3 in 1269 [Ref: CP X p539]
age 9 in 1275 [Ref: CP VI p634(d)]
died 1283 still a minor [Ref: Sanders Baronies p83],
parents:
[Ref: CP X p539, Richardson RoyalAnc v4p384],
father:
[Ref: CP VI p634(d), Clutterbuck Hertford v2p261, Sanders Baronies p83]
Sources for death Information
date:
1283 [Ref: CP VI p634(d), CP++ Marmion 12/31/2006 (CP VIII p520), Sanders Baronies p83]
shortly before 6 Nov 1283 [Ref: CP X p539, Richardson RoyalAnc v4p32]
Sources with Information about marriage to Isabel
date:
first marriage of Isabel [Ref: CP++ Marmion 12/31/2006 (CP VIII p520), CP++ Plaiz 12/31/2006 (CP X p539), Chris Phillips SGM 2/24/2002-081355, Richardson RoyalAnc v4p32],
names:
[Ref: CP X p539]
Research Notes:
of Iford, Sussex [Ref: Richardson RoyalAnc v4p32]

inherited 1/3 of Barony of Stansted Mountfitchet from father [Ref: Sanders Baronies p83]

1274: inherited 1/6 of Barony of Stansted Mountfitchet from Aveline de Forz [Ref: Sanders Baronies p83]



Pedigree of Ralph De PLAIZ
                                     /-----Hugh Fitz Gold
                            /-----Ralph De PLAIZ
                           |         \-----Beatrice
                   /-----Ralph De PLAIZ
          /-----Sir Hugh De PLAIZ
 /-----Richard De PLAIZ
|        |                                    /-----William De MONTFICHET
|        |                           /-----William De MONTFICHET, Baron Of Stansted
|        |                          |         \-----Rohais
|        |                  /-----Gilbert De MONTFICHET, Baron Of Stansted
|        |                 |        |                           /-----Gilbert Count Of Brionne
|        |                 |        |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|        |                 |        |         /-----Gilbert FITZ RICHARD, Baron Of Clare
|        |                 |        |        |        |         /-----Walter Giffard Lord Of Longueville
|        |                 |        |        |         \-----Rohese GIFFARD
|        |                 |        |        |                  \-----Ermengarde FLATEL
|        |                 |         \-----Margaret De CLARE
|        |                 |                 |                  /-----Renaud Count Of Clermont
|        |                 |                 |         /-----Hugh Count Of Clermont
|        |                 |                 |        |         \-----Ermengardis
|        |                 |                  \-----Adeliza De CLERMONT
|        |                 |                          |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
|        |                 |                           \-----Margaret De Roucy
|        |                 |                                    \-----Adele De Roucy
|        |         /-----Richard De MONTFICHET, Baron Of Stansted
|        |        |        |         /-----Sir Richard De LUCY, Justiciar Of England
|        |        |        |        |         \-----Avelina
|        |        |         \-----Aveline De LUCY
|        |        |                 |                           /-----Eustace II Count Of Boulogne
|        |        |                 |                  /-----Goisfred Lord Of Carshalton
|        |        |                 |         /-----William De BOULOGNE
|        |        |                 |        |        |         /-----Geoffrey De MANDEVILLE, Baron Of Pleshy
|        |        |                 |        |         \-----Beatrice De MANDEVILLE
|        |        |                 |        |                  \-----Athelaise
|        |        |                  \-----Rohese
|         \-----Philippe De MONTFICHET
|                  \-----Millicent
Ralph De PLAIZ
 \-----Joan



Descendants of Ralph De PLAIZ
1. Ralph De PLAIZ m. Isabel
m. Isabel