Joan de Vivonia, eldest daughter and coheir, b. c 1251 (aged 8 in 1259), d. 1 June 1314, lady of Chewton, Somerset; through her father, Joan was heir to a 1/8 interest in the barony of Curry Malet, Somerset, and through her mother Joan was heir to a partial interest in the barony of Long Crendon, co. Buckingham; m. (1) c 10 May 1262, Ingram de Percy who dsp shortly bef. 10 Oct 162 [sic. 1262?]; m. (2) (as his 2nd wife) Sir Reginald (or Reynold) fitz Peter, Knight, lord of Blaen Llyfni, co. Brecknock, sheriff of Hampshire and Constable of Winchester Castle 1261, d. 4 or 5 May 1285, heir of elder brother Herbert and son of Peter fitz Herbert, lord of Blaen Llyfni, co. Brecknock, by his first wife, Alice Fitz Roger of Warkworth. [Magna Charta Sureties]
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Joan de Vivonia, b. 1251, d. 1 June 1314, widow of Ingram de Percy, daughter & heir of William de Fortibus (also styled le Fort) & Maud de Ferrers. Through her father, Joan inherited a 1/8th interest in the barony of Curry Malet, Somerset. [Ancestral Roots]