Henry Mainwaring in the King's cause in the English Civil War, was exiled to France, and died in poverty. He was buried at St. Giles' Church, Camberwell, London, on 15 May 1653. Mainwaring married a daughter of Sir Thomas Gardiner in 1630. She died in 1633. His brothers were Sir Arthur Mainwaring, Carver to Prince Henry, George Mainwaring, the defender of Tong Castle, and Sir Thomas Mainwaring, the Recorder of Reading. The Mainwaring family was old and distinguished, probably having arrived in England in the train of William the Conqueror (1066). Henry Mainwaring Sir Henry Mainwaring (1587–1653), was an English lawyer, soldier,
Captain Mainwaring struggled to rise above his working class background. He claims to be the son of a successful tailor in Eastbourne, but Lance Corporal Jones reveals that Mainwaring's father was actually a poor draper who sold badly-made workmen's trousers and Barry Mainwaring confirms this. "If I had a title I'd be on the board of directors at the bank!" he shouts at Sergeant Wilson when the latter gains a title in the episode "The Honourable Man". Despite his arrogance being encouraged by his status as the bank manager (having started as a clerk and working his way up to assistant chief