Egidia'a paternal grandparents were Hugh de Lacy, Lord of Meath, and Rohese of Monmouth, and her maternal grandparents were William de Braose, 7th Baron Abergavenny, and Maud de St. Valery.
Egidia'a paternal grandparents were Hugh de Lacy. Egidia'a paternal grandparents were Lord of Meath. Egidia'a paternal grandparents were Rohese of Monmouth. Her maternal grandparents were William de Braose. Her maternal grandparents were 7th Baron Abergavenny. Her maternal grandparents were Maud de St. Valery.