He was the son of John Standon and his wife Elizabeth. He held a number of public appointments such as buyer for the King's household (1378–1396) and tax collector for London (1382) and served on a number of Commissions.
He married three times; firstly Elizabeth, secondly Agnes and thirdly another Agnes, the daughter and eventual coheiress of Sir Adam Francis and widow of Thomas Basings (d. 1400) of Kenardington, Kent. They had one daughter.