Thomas Ap Guillem Herbert, b: 1372


			^{Jenken Ap Adam}^{b.1301 Wernddu, England d.}

		^{Guillem Ap Jenken}^{b.1327 Wernddu, England d.1377 Perth Hir, England}	^{Gwenlian Verch Aron}^{b.1305 Wernddu, England d.}

	^{Thomas Ap Guillem Herbert}^{b.1372 Wernddu, England d.1438}

		^{Gwenlian Verch Howel}^{b.1340 Cefnyddwyglwyd, England d.}

^{William Thomas}^{b.1401 Rhaglan, Usk, Eng d.1446}

	^{Maud Morley}^{b.1380 Ragland, England d.}