William ap Yevan (1440-1490) Parents Ieuan ap Morgan ap Hywel ap Madog of Whitchurch Margaret|Margred Kemeys Children Morgan Williams Siblings Thomas ab Ieuan ap Dafydd ap Llywelyn Fychan of Llantrithyd Joan ferch Ieuan ap Dafydd ap Llywelyn Fychan Llywelyn Gôch ab Ieuan ap Dafydd ap Llywelyn Fychan, of Partners Joan Tudor