Janet Glendower Peerage person ID=324868 (b. 1374) Parents Owain Glyndŵr Margaret Hanmer Children William de Croft Siblings Gwenllian ferch Owain Glyndŵr Maredudd ab Owain Glyndŵr Ieuan ab Owain Glyndŵr Catrin ferch Owain Glyndŵr Alys ferch Owain Glyndŵr Gruffudd ab Owain Glyndŵr Ieuan ap Dafydd Dymock, of Penley Partners Sir John de Croft