Elen ferch Thomas ap Llywelyn ab Owain ap Maredudd 1334 - (b. 1334) Parents Thomas ap Llewellyn Eleanor verch Philip Children Morfudd ferch Gruffudd Fychan ap Gruffudd ap Madog Fychan Owain Glyndŵr Lowri ferch Gruffudd Fychan Isabel ferch Gruffudd Tudur ap Gruffudd Siblings Marged ferch Tomos Maredudd ap Thomas ap Llywelyn ab Owain