Isabel FitzJohn

✓ Isabel, daughter of John FitzGeoffrey, Justiciar of Ireland (I100082), and Isabel Bigod (I100083): the Tintern chronicle records their fourth daughter married 'domino --- de Westmoreland' with daughters 'Idonia et Isabella', one of whom married Roger de Clifford; the 1297 inquisition on her brother Richard FitzJohn names her as his second sister. m. Robert de Vipont. A fourth FitzJohn sister in this tree. RING 19 Oct 2026. Source: Medieval Lands (fmg.ac, Cawley), 'English Nobility Medieval 1' (FitzJohn). [DIRECT ANCESTOR OF THE COMPILER: flag added 19 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]