William Cusance was an English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 administrator who served as treasurer from 1341 to 1344. Of a Burgundian family, he made his career through the patronage of Hugh Despenser the y

Hugh the younger Despenser

Hugh Despenser, 1st Lord Despenser , also referred to as "the younger Despenser", was the son and heir of Hugh le Despenser, Earl of Winchester , and Isabella daughter of William, 9th Earl of Warwick.-Titles and possessions:Hugh Despenser the younger was knight of Hanley Castle, Worcestershire,...

ounger. Cusance did not, however, suffer from the downfall of the Despensers and Edward II

Edward II of England

Edward II , called Edward of Caernarfon, was King of England from 1307 until he was deposed by his wife Isabella in January 1327. He was the sixth Plantagenet king, in a line that began with the reign of Henry II...

 in 1327, as by this time he was associated with the household of prince Edward, the soon-to-be Edward III

Edward III of England

Edward III was King of England from 1327 until his death and is noted for his military success. Restoring royal authority after the disastrous reign of his father, Edward II, Edward III went on to transform the Kingdom of England into one of the most formidable military powers in Europe...

. Before his appointment as treasurer, he served as keeper of the king's wardrobe, a post to which he briefly returned in 1349–50. A later appointment as archdeacon of Cornwall was challenged by a papal nominee, and Cusance was drawn into a lengthy legal battle.