Surname: Llywelyn | Name index 8 people Angharad ap Llywelyn Catherine ap Llywelyn, princess of Wales Gruffydd ap Llywelyn, prince of Wales Ieuan Ap Llywelyn Iorwerth ap Llywelyn Iorwerth Goch ap Madog ap Llywelyn Llywelyn Fychan Ap Llywelyn Tangwystl ap Llywelyn Surname