Nielsen Hayden genealogy

Llywelyn ap Seisyll, King of Deheubarth

Male Abt 980 - 1023  (~ 43 years)


Personal Information    |    Sources    |    All

  • Name Llywelyn ap Seisyll 
    Suffix King of Deheubarth 
    Birth Abt 980  [1
    Gender Male 
    Death 1023  [1, 2, 3, 4
    Person ID I1804  Ancestry of PNH, TNH, and others | Ancestor of AP, Ancestor of AW, Ancestor of DDB, Ancestor of DGH, Ancestor of DK, Ancestor of EK, Ancestor of GFS, Ancestor of JMF, Ancestor of JTS, Ancestor of LD, Ancestor of LDN, Ancestor of LMW, Ancestor of TNH, Ancestor of TSW, Ancestor of TWK, Ancestor of UKL, Ancestor of WPF
    Last Modified 10 May 2019 

    Father Seisyll 
    Mother Prawst 
    Family ID F5959  Group Sheet  |  Family Chart

    Family Angharad ferch Maredudd 
    Marriage 994  [2
    Children 
    +1. Gruffydd ap Llywelyn, King of Wales   d. 5 Aug 1064, Ireland Find all individuals with events at this location
    Family ID F3363  Group Sheet  |  Family Chart
    Last Modified 11 Jan 2016 

  • Sources 
    1. [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.

    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. [S3215] Medieval Welsh Ancestors of Certain Americans by Carl Boyer III. Santa Clarita, California, 2004.

    4. [S903] The Dictionary of Welsh Biography. National Library of Wales, 2007 and ongoing.