William Maule was the eldest son of Sir Walter Maule

Walter Maule

Walter Maule was the son and heir of Sir Henry Maule, Baron of Panmure and Benvie and Margaret, daughter of Sir William Hay of Locherworth. He was warden of Kildrummy Castle in the reign of David II....

, Baron of Panmure and Benvie. William succeeded as Baron in 1348 on his father's death. He married Marion Fleming of Biggar, daughter of Lady Jane Barclay of Brechin

Brechin

Brechin is a former royal burgh in Angus, Scotland. Traditionally Brechin is often described as a city because of its cathedral and its status as the seat of a pre-Reformation Roman Catholic diocese , but that status has not been officially recognised in the modern era...

. He died before 1407 and left one son, Thomas Maule

Sir Thomas Maule of Panmure

Thomas Maule was the eldest son of Sir William Maule, Baron of Panmure and Benvie and Marion Fleming. Thomas succeeded as Baron on his father's death before 1407. He was killed on July 24, 1411 at the Battle of Harlaw, fighting under Alexander Stewart, Earl of Mar. He is mentioned in the Child...

, who succeeded him as Baron, and one daughter, Janet Maule, who married Alexander Ochterlony of Kenny.