|Gruffydd ap Iorwerth Voel of Ys Coed
Gruffydd ap Iorwerth Voel of Ys Coed
Another name for Gruffydd was Griffith ap Ierworth Voel of Yssecoed.
Source: Collections Historical & Archaeological Relating to Montgomeryshire, and its Borders, Vol. XIII. (London, 1880), "The Tanat Pedigree", p. 122:
Gruffydd married Gwervyl verch Owen Vaughan ap Owen Lord of Meghein, daughter of Owen Vaughan ap Owen ap Madoc of Meghein and Unknown.