Gwladus Ddu

Welsh noble (1300–1251)

Parents

• Llywelyn ab Iorwerth
• Joan, Lady of Wales

Children

• Isolt de Mortimer
• Roger Mortimer, 1st Baron Mortimer

Siblings

• Gruffudd ap Llywelyn ab Iorwerth
• Gruffudd ap Llywelyn
• Elen ferch Llywelyn
• Angharad ferch Llywelyn
• Dafydd ap Llywelyn
• Susanna ferch Llywelyn
• Margaret ferch Llywelyn
• Tegwared y Bais Wen

Partners

• Ralph de Mortimer
• Reginald de Braose