On 04 Dec 1370 the Battle of Pontvallain was a French army under Bertrand du Guesclin heavily defeated an English force at Pontvallain which had broken away from an army commanded by Robert Knollys (age 45).

Thomas Grandison 4th Baron Grandison (age 31) commanded.

Philip Courtenay (age 15) and Hugh Despencer (age 32) were captured.

Alan Buxhull (age 47) fought.