Rhys Grig, lord of Dynevor

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Rhys Grig, lord of Dynevor, son of Res ap Griffith, Prince of South Wales and Gwenllian ap Madoc, died 1233,1was buried at St. David's Cathedral, Pembrokeshire, Wales.2

Rhys had an unknown first wife;1 he married (2) Joan de Clare, daughter of Sir Richard de Clare, Knt., 3rd Earl of Hertford and Amice of Gloucester, Countess of Clare, 1219.1,2

For more information about St. Davids Cathedral, please see this Wikipedia article.

Family 1


Family 2

Joan de Clare
  • Meredith ap Res Grig, lord of Drosalwyn1 d. 1271
  • Howel ap Res Grig, lord of Llanddarog1
This person was last edited on6 Jul 2021


  1. [S2382] George T. O. Bridgeman, History of the Princes of South Wales (Wigan, England: s.p., 1876), 186 (ped. chart), further cited as Bridgeman, Princes of S. Wales.
  2. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 2:183 (Clare 5.vii), further cited as Richardson, Royal Ancestry.
  3. [S2054] George Edward Cokayne, The Complete Peerage: Or a History of the House of Lords and All Its Members From the Earliest Times: Revised and Much Enlarged (13 in 14 vols., London, England: The St. Catherine Press, 1910-1940), 12A:609n(b) (Talbot), further cited as CP.