Sibylla de Tregoz

1270 Ewyas, Herefordshire - 21 Oct 1334 Eaton, Herefordshire (1271–1334)

Parents

• Mabel FitzWarin
• John de Tregoz, 1st Lord Tregoz

Children

• Mabel de Grandson
• Catherine Montagu, Countess of Salisbury
• Peter de Grandison
• John Grandison

Siblings

• Clarice de Tregoz

Partners

• William de Grandison, 1st Baron Grandison