Robert Ap Seisyll, b: 1010 -


			^{Gruffydd Ap Llewelyn Ap * Seisyll}^{b. d.1054}

		^{Urgeny Ap * Seisyll}^{b. d.1079}	^{Unknown * Ealdgyth}^{b. d.}

	^{Robert Ap Seisyll}^{b.1010 d.1091}

^{Baron of Beuport James Cyssel}^{b.1050 Glamorganshire, Wales d.1139 Wallingford Castle}