Ebulo de Montibus

The Famille de Mont held the castle at Mont-le-Grand near Rolle.

Recorded as a Steward in the household of King Henry III of England from 12 November 1256 until 26 May 1263.

Left England during the Second Barons' War with Queen Eleanor of Provence and Peter II, Count of Savoy and active in attempting to raise an army loyal to the crown.

His son Ebal IV began as a squire in the service of King Edward I of England, assigned with Jean Cosyn de Grandson as being jointly responsible for Harlech from 1283, during early construction and prior to the appointment of its first Constable, John de Bonvillars.

He was close to Eleanor of Castile, married Lady Elizabeth de Clinton possibly through her intervention.