Lowri ferch Gruffudd Fychan (1358-1399) (b. 1365) Parents Elen ferch Thomas ap Llywelyn ab Owain ap Maredudd Gruffudd Fychan II Children Gruffudd Fychan ap Gruffudd ab Einion ap Gruffudd of Cors Gedol Siblings Owain Glyndŵr Morfudd ferch Gruffudd Fychan ap Gruffudd ap Madog Fychan Isabel ferch Gruffudd Tudur ap Gruffudd