M, b. 7 October 1404, d. 15 October 1480
William de was born on Sunday, 7 October 1404 in Spofforth Parish, West Riding of Yorkshire, England, at the Ville de Plumpton. William married
Elizabeth Stapilton, daughter of
Sir Bryan Stapilton, circa 1428 in England. William went to the wars in France shortly after he turned 21. He returned just before 9 September 1430 as a knight. After returning he received the titles of Seneschal and Master Forester of the Honour and Forest, and Constable of the Castle of Karesborough. William married
Joan Wintringham, daughter of
Thomas Wintringham, circa 1450 in England. William departed this life on Friday, 15 October 1480 in Spofforth Parish, West Riding of Yorkshire, England, at the Ville de Plumpton.