Efa ferch Madog

Parents

• Madog ap Maredudd
• Susanna ferch Gruffudd

Children

Siblings

• Efa ferch Madog ap Maredudd ap Bleddyn
• Owain Brogyntyn
• Marared ferch Madog
• Llywelyn ap Madog
• Owain Fychan
• Owain Fychan ap Madog ap Maredudd ap Bleddyn, lord of Mechain Is y Coed
• Einion Efell ap Madog ap Maredudd, lord of Cynllaith
• Cynwrig Efell ap Madog ap Maredudd ap Bleddyn ap Cynfyn, lord of Y Glwysegl
• Gruffydd Maelor I
• Gwenllian ferch Madog ap Maredudd ap Bleddyn

Partners

• Cadwallon ap Madog