Another name for Millicent was Millicent de Cantilupe.

~Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 39:29, 66:30, 200:30, 234A:32, Milicient Cantelou married, as her second husband Eudo la Zouche, younger brother of Sir Alan la Zouche. Her first husband was John de Mohaut who died about 1299. Milicient was the daughter of William de Cantelou, Baron of Abergavenny, and his wife Eve de Broase. She was the mother, by Eudo la Zouche, of Eve la Zouche who marriedSir Maurice de Berkeley; Sir William lz Zouche, Lord Zouche of Haryngworth, married to Maud Lovel, daughter of John Lovel; and Elizabeth la Zouche, who married Sir Nicholas Poyntz, second lord Poyntz. ¹⁶⁰

~Complete Peerage (Zouche), (Berkeley), (Abergavenny) Millicent married 1st before Nov.1254 John de Montalt who poss. d. after 1265; married 2nd before 1273 Eudo de la Zouche d.1279."
¹⁴¹

• Background Information. ⁷²¹
Millicent de Cantelou who died shortly before 7 Jan 1298/99. Millicent was widow of John de Mohaut, sister and coheir of George de Cuntelo, Lord of Abergavenny, and daughter of Sir William de Cauntelo, of Calne, Wiltshire and Aston Cantlow, Warwickshire, by Eve, the third daughter and co-heir of William de Braiose, Lord of Abergavenny. As a widow, Milicent obtained as her property the manors of Harringworth and Bulwick in Northamptonshire, Totnes in Deveonshire, and estates in Bedfordshire, Somersetshire and Wiltshire.

~Boyer's Medieval English Ancestors of Robert Abell, p. 271

Millicent married Eudes la Zouche, son of Roger la Zouche Sheriff of Devonshire and Margaret Biset.¹⁶⁰ (Eudes la Zouche was born about 1244-1248 in Ashby, Leicestershire, England, died on 28 Apr-25 Jun 1279 in Paris, Seine, Ile-de-France, France ⁷²¹ and was buried in Augustine Friars, Paris, Seine, France.)

Online at: http://cybergata.com/roots/3013.htm