Complex sentence: 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.
Split into simpler sentences: Egidia'a paternal grandparents were Hugh de Lacy, Lord of Meath, and Rohese of Monmouth. Her maternal grandparents were William de Braose, 7th Baron Abergavenny, and Maud de St. Valery.