Family: Iorwerth Drwyndwn ap Owain / Marared ferch Madog (F4972)

Owain Gwynedd ap Gruffydd (1100-1170)

Gwladws ferch Llywarch (1105- )

 

 

Madog ap Maredudd (1091-1160)

Susanna ferch Gruffydd (1112- )

 

 

Gruffydd Maelor ap Madog (1145-1191)

Marared ferch Madog (1150- )

Iorwerth Drwyndwn ap Owain (1130-1174)

Llewellyn Fawr ap Iorwerth (1173-1240)