Margaret of Savoy

Margaret of Savoy (1225–c. 1264) was a daughter of Count Amadeus IV of Savoy. In 1228 she was betrothed to Boniface II, Marquess of Montferrat, and they married around 1235; she became the mother of his heir William VII.

When Boniface died in 1253, his testament named Margaret guardian and regent for the underage William, and she ruled Montferrat for about two years until he came of age. Her aunt Beatrice mentioned her in a testament dated 14 January 1264.