Family: Prince of Wales Llywelyn "Mawr" ab Iorwerth "Drwyndwn" ap Iorwerth, Prince of Aberffraw, Lord of Snowdon / Joan Plantagenet, Princess of England (F100003054)

Iowerth Drwyndwn Ap Owain Mawr (1145-1185)

Margred Verch Madog, of Powys (1130- )

 

 

Adda ab Iorwerth "Drwyndwn" (1170- )

King of England John Plantagenet (1167-1216)

Agatha de Ferrers (1168- )

 

 

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

Family with Tangwystl Verch Llywerch

Joan Plantagenet, Princess of England (1190-1237)

Dafydd ap Llywelyn "Mawr", Prince of Wales (1200-1246)

Gwenllian ferch Llywelyn "Mawr" (1200-1281)

Angharad [1st] ferch Llywelyn "Mawr" (1200- )

Elen [1st] ferch Llywelyn "Mawr" (1200-1253)