Family: Prince of Wales Llywelyn "Mawr" ab Iorwerth "Drwyndwn" ap Iorwerth, Prince of Aberffraw, Lord of Snowdon / Tangwystl Verch Llywerch (F100002267)

Iowerth Drwyndwn Ap Owain Mawr (1145-1185)

Margred Verch Madog, of Powys (1130- )

 

 

Adda ab Iorwerth "Drwyndwn" (1170- )

Prince of Wales Llywelyn "Mawr" ab Iorwerth "Drwyndwn" ap Iorwerth, Prince of Aberffraw, Lord of Snowdon (1173-1240)

Family with Joan Plantagenet, Princess of England

Tangwystl Verch Llywerch (1168- )

Family with Lord of Brynffenigl Ednyfed Fychan Ap Kendrig