Individual Page


Family:
Marriage: Children:
  1. Ralph De MOHUN
  2. William De MOHUN, Baron Of Dunster Birth: 1 Death: 1176
  3. Henry De MOHUN
  4. Ivain De MOHUN Birth: 2
  5. Richard De MOHUN Birth: 3
  6. Peter De MOHUN Birth: 4

Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 04 Dacre-Dysart. London: St Catherine Press, 1916. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 4 also available at http://archive.org/completepeerageo04byucoka Information from this source tagged as [Ref: CP IV [Ap][p0-9].*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 09, Moels-Nugent. London: St Catherine Press, 1936. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP IX [Ap][p0-9].*].
  3. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 12-1, Skelmersdale-Towton. London: St Catherine Press, 1953. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP XII/1 [Ap][p0-9].*].
  4. 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]*].
  5. Keats-Rohan, K.S.B., Domesday People, A Prosopography of Persons Occurring in English Documents 1066-1166. Vol I: Domesday Book. Bury St Edmunds, Suffolk: Boydell Press, 1999. NYPL ARF 03-4178 vol 1. Corrections in Volume II (Domesday Descendants) pp 4-5. Further corrections at http://users.ox.ac.uk/~prosop/domesday-people-corrigenda.pdf Information from this source tagged as [Ref: Keats-Rohan DP p[0-9]*].
  6. Lyte, Henry C Maxwell, A History of Dunster and the families of Mohun and Luttrell, 1909, Vol 1 available at http://archive.org/details/historyofdunster01lyte_0, vol 2 at http://archive.org/details/historyofdunster02lyte. Information from this source tagged as [Ref: Lyte Dunster v1p[0-9]*].
  7. 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 v3p[0-9]*].
  8. 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]*].
  9. 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]*].
  10. Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].
  11. Weis, Frederick Lewis, Walter Lee Sheppard, Jr, David Faris, Ancestral Roots of Certain American Colonists who came to America before 1700, 7th Edition, Baltimore: Genealogical Publishing Co, 1992. Information from this source tagged as [Ref: Weis AR7 #[0-9][0-9]*[A-Z]*].

Sources for birth and parent Information
date:
adult by 1131 [Ref: Richardson RoyalAnc v3p63, Weis AR7 #143]
prob not eldest son [Ref: CP IX p18],
parents:
[Ref: CP IX p18, Keats-Rohan DP p476, Lyte Dunster v1p5, Richardson RoyalAnc v3p63, Watney WALLOP #684, Weis AR7 #143],
father:
[Ref: Sanders Baronies p114],
grandparents:
[Ref: CP XII/1 p37(h)]
Sources for death Information
date:
abt 1155 [Ref: Keats-Rohan DD p587, Lyte Dunster v1p9, Sanders Baronies p114, Watney WALLOP #684]
before 1145 [Ref: Richardson RoyalAnc v3p63]
in or before 1155 [Ref: CP IX p18, CP XII/1 p39, Weis AR7 #143]
may have died soon after 1142 [Ref: CP XII/1 p38(h)]
Sources with Information about marriage to Agnes De GAUNT
date:
first marriage of Agnes [Ref: Richardson RoyalAnc v3p63],
names:
[Ref: CP XII/1 p39, Keats-Rohan DD p470, Lyte Dunster v1p7],
child:
[Ref: CP IX p18, Keats-Rohan DD p587, Lyte Dunster v1p8, Lyte Dunster v1p9, Richardson RoyalAnc v3p63, Richardson RoyalAnc v4p99, Watney WALLOP #684, Weis AR7 #143]
Research Notes:
1st Earl of Somerset, of Earldom cr 1141 [Ref: CP XII/1 p37]
Earl of Somerset [Ref: Richardson RoyalAnc v4p99, Weis AR7 #143]

held barony of Dunster, Somerset [Ref: Weis AR7 #143]
of Dunster, Somerset [Ref: Richardson RoyalAnc v3p63]

heir of his father [Ref: CP XII/1 p37, Richardson RoyalAnc v3p63]

after 1090 and before 1129: succeeded his father [Ref: Keats-Rohan DD p587]

by 1129/30: succeeded his father [Ref: Keats-Rohan DP p476]

inherited Barony of Dunster from father [Ref: Sanders Baronies p114]

cr an Earl by Empress Maud; some have called him Earl of Dorset, but there is no doubt that his creation was as Earl of Somerset [Ref: CP IV p416]

1141: created Earl of Somerset [Ref: Keats-Rohan DD p587]

1141: created Earl, and took the title Somerset. This honour did not continue in the family [Ref: Sanders Baronies p114(2)]

1155: witnessed a deed and mentioned in Pipe rolls [Ref: Sanders Baronies p114(2)]



Pedigree of William De MOHUN, Earl Of Somerset
          /-----(Unk) De MOHUN
 /-----Sir William De MOHUN, Baron Of Dunster
William De MOHUN, Earl Of Somerset
 \-----Adeliz



Descendants of William De MOHUN, Earl Of Somerset
1. William De MOHUN, Earl Of Somerset m. Agnes De GAUNT
m. Agnes De GAUNT father: Walter De GAUNT, Baron Of Folkingham mother: Maud Of Brittany

2nd generation

3. William De MOHUN, Baron Of Dunster m. Godeheut De TOENI
m. Godeheut De TOENI father: Roger III De TOENI, Baron Of Flamstead mother: Ida (Gertrude) Of Hainault

3rd generation

9. William De MOHUN, Baron Of Dunster m. Lucy
m. Lucy
13. Yolande De MOHUN m. Ralph FITZ WILLIAM
m. Ralph FITZ WILLIAM
14. Agnes m. William De WINDSOR
m. William De WINDSOR father: William De WINDSOR, Baron Of Eton

4th generation

16. Sir Reynold De MOHUN, Baron Of Dunster m. Alice De BRIWERE
m. Alice De BRIWERE father: Sir William De BRIWERE, Baron Of Horsley mother: Beatrice De VALLE
17. (Unk) FITZ WILLIAM m.
18. William De WINDSOR m. Margaret DROKENSFORD
m. Margaret DROKENSFORD
19. Hugh De WINDSOR m.

5th generation

23. Sir Reynold De MOHUN, Baron Of Dunster m1. Hawise FITZ GEOFFREY m2. Isabel De FERRERS
m. Hawise FITZ GEOFFREY father: Geoffrey FITZ PIERS, Earl Of Essex mother: Aveline De CLARE
m. Isabel De FERRERS father: William De FERRERS, Earl Of Derby mother: Sibyl MARSHALL
24. Isabel FITZ WILLIAM m1. Hugh PEVEREL m2. Sir Nicholas Fitz MARTIN, Baron Of Blagdon
m. Hugh PEVEREL
m. Sir Nicholas Fitz MARTIN, Baron Of Blagdon father: William Fitz MARTIN, Baron Of Blagdon mother: Avice De TORITON
25. Richard De WINDSOR m. Julian STAPLETON
m. Julian STAPLETON father: Sir Nicholas STAPLETON