Career
Kinwolmarsh was appointed as Provost of Beverley Minster during 1419, followed by the position of Deputy Treasurer of England (1417–1421), and the royal household"s Lord High Treasurer, a position that he held for only one week before his death. He previously was appointed by the widowed Lucie, Countess of Kent as a deputy to regulate her dower. He was given a role in the visit to France of Queen Catherine of Valois.
In the reign of Henry IV, Kinwolmarsh was Dean of Street-Martins le-Grand.
He is noted as particularly active in fulfilling his duties as a royal councillor and administrator.
