Rhys ap Maenyrch of Ystrad Yw
Rhys was born about 1017 in Ystrad Yw, Talgarth, Breconshire, Wales.

 Joan verch Cadwgon
Joan was born about 1022 in Radnorshire, Wales.

 Lord Bleddyn ap Rhys of Brecknock
Bleddyn was born in 1039 in Brecon, Breconshire, Wales.  He died at the age of 54 in 1093.

 Gwladus verch Rhys Goch
Gwladus was born about 1050 in Ystrad Yw, Talgarth, Breconshire, Wales.