Maredudd ab Owain Welsh prince of Deheubarth (1300–1265) Parents Owain ap Gruffydd Children Owain ap Maredudd Gwenllian ferch Maredudd ab Owain ap Gruffudd Gwladus ferch Maredudd ab Owain ap Gruffudd Cynan ap Maredudd Cynan ap Maredudd ap Rhys Grûg ap Rhys Gruffydd ap Maredudd Efa ferch Maredudd Partners Eleanor verch Maelgwn Fychan