1425. Evidence that Erpingham was twice married comes in part from a window opposite the chantry of Norwich Cathedral, which once displayed him and his two wives, as well as church records, which state he was buried with both of his wives. Both marriages were childless. Erpingham had a profound influence on the careers of the two sons of his sister Julian, who married Sir William Phelip (or Philip) of Dennington. Erpingham's position in court helped the elder son William to become a member of Henry IV's personal household; William's brother John held a similar position at the court of Henry of Monmouth. The brothers remained closely attached to their uncle. William and Erpingham were often recorded as co-feoffees of estates in East Anglia, and William stood surety for his uncle at the Exchequer. The family's fortunes improved still further when Henry of Monmouth became king, although John died at Harfleur in 1415. His brother was knighted on the eve of the coronation and later fought at Agincourt. From 1417, Erpingham seems to have retired and lived out his remaining years in Norfolk, having relinquished his position as steward that May. King Henry died in 1422, after which Erpingham had no further contact with the court. He died on 27 June 1428, and was buried on the north side of the presbytery of Norwich Cathedral. Sir William Phelip, who was an executor of his uncle's will, "inherited his substantial possessions in Norfolk". Dated 25 Mar 1427, the will contains bequests to Norwich Cathedral, churches in Norfolk and London, two Norwich hospitals and several East Anglian convents. Erpingham specified that "all my armour and the harness of my person to be delivered up to the Holy Trinity [Cathedral] in Norwich". Architectural legacy Erpingham was a benefactor to the city of Norwich. In 1420 he had built the cathedral gate which bears his name, opposite the west door of Norwich Cathedral leading into Cathedral Close. He funded the rebuilding of the Church of the Blackfriars in Norwich after a fire in the city caused serious damage to the original friary complex in 1413. Today it forms part of the most complete friary surviving in England. The west tower of St. Mary's Church, in the village of Erpingham, was paid for by him. In 1419, Erpingham paid for the east chancel window of the church of St. Austin's Friary in Norwich to be