Gruffudd ab Einion ap Gwyddelwern ap Gruffyd (1382-1427) (d. 1427) Parents Einion ap Gruffudd Tangwystl ferch Rhydderch ap Ieuan Llwyd Children Tudur ap Gruffudd ab Einion ap Gruffudd ap Llywelyn Elissau ap Gruffyd Gruffudd Fychan ap Gruffudd ab Einion ap Gruffudd of Cors Gedol Partners Lowri ferch Tudur