Nielsen Hayden genealogy

William de Mohun

Male Bef 1110 - Aft 1142  (> 34 years)


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  • Name William de Mohun 
    Born Bef 1110  of Dunster, Williton, Somerset, England Find all individuals with events at this location  [1, 2
    Gender Male 
    Died Aft 1142  [1
    Alternate death Abt 1145  [3
    Alternate death Bef 1156  [2, 4, 5
    Person ID I8984  Ancestry of PNH, TNH, and others | Ancestors of JTS, Ancestor of TNH, Ancestor of TSW
    Last Modified 6 Jan 2018 

    Family Agnes de Gant 
    Children 
    +1. William de Mohun,   b. of Dunster, Williton, Somerset, England Find all individuals with events at this location,   d. 1176
    Last Modified 19 Sep 2018 
    Family ID F5674  Group Sheet  |  Family Chart

  • Notes 
    • "William de Moion, Lord of Dunster, was heir of William de Moion abovenamed, but his exact relationship is uncertain. In 1131 he was at the Council of Northampton. Before the death of Henry I he held more than 30 knight's fees. In 1138 he held Dunster Castle for the Empress Maud. From this stronghold he committed such ravages on the countryside that King Stephen marched against him in force; but finding Dunster Castle impregnable he left a blockading force under Henry de Tracy, who is said to have curbed William's depredations. In 1141 he joined the Empress and was almost certainly at Winchester when she was elected Queen of England on 8 April. Probably soon afterwards, and certainly before 24 June 1141, Maud created him Earl of Somerset. He was with her at Westminster, about 20-24 June, and fled with her to Winchester, where he fought for her during the siege (August-September). His subsequent career is obscure. He founded a priory at Bruton (Somerset), possibly in or soon after 1142; and he was a benefactor to the priories of Bridlington and (possibly) Taunton. He married Agnes, daughter of Walter de Gant. He d. probably in or before 1155. Stephen did not recognise his Earldom, and as Henry II did not grant a new charter to William or his son, the Earldom of Somerset (so far as it existed) lapsed at or before his death." [Complete Peerage XII/1:37-9.]

  • Sources 
    1. [S142] Royal Ancestry, by Douglas Richardson. Kimball G. Everingham, ed. 2013.

    2. [S145] Ancestral Roots of Certain American Colonists Who Came to America Before 1700, by Frederick Lewis Weis and Walter Lee Sheppard, Jr. 8th edition, William R. Beall & Kaleen E. Beall, eds. Baltimore: Genealogical Publishing Company, 2004, 2006, 2008.

    3. [S789] The Wallop Family and Their Ancestry, by Vernon James Watney. Oxford, 1928.

    4. [S804] Charles Fitch-Northen, "The Trowbridge Ancestry." The Genealogist 9:3, Spring 1988.

    5. [S128] The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant. Full citation details here.