Tudur ap Gruffudd Brother of Owain Glyndŵr (1357–1405) Parents Gruffudd Fychan II Elen ferch Thomas ap Llywelyn ab Owain ap Maredudd Children Lowri ferch Tudur Siblings Owain Glyndŵr Lowri ferch Gruffudd Fychan Morfudd ferch Gruffudd Fychan ap Gruffudd ap Madog Fychan Isabel ferch Gruffudd