Cynan ap Maredudd ap Rhys Grûg ap Rhys Parents Maredudd ab Owain Eleanor verch Maelgwn Fychan Children Siblings Cynan ap Maredudd Gwladus ferch Maredudd ab Owain ap Gruffudd Efa ferch Maredudd Owain ap Maredudd Gwenllian ferch Maredudd ab Owain ap Gruffudd Gruffydd ap Maredudd