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 of fighting unit. Mainwaring has no combat experience, which causes tension with the other members of the Home Guard, particularly Wilson, who was a decorated Captain in the Royal Artillery (Mons, Gallipoli) during the First World War. Mainwaring did, however, serve in the Army of Occupation in France, "during the whole of 1919 — somebody had to clear up the mess.". He volunteered to enlist in 1914 but was rejected with poor eyesight. (During the Second World War, John Le Mesurier, who played Wilson, had been a captain while Arthur Lowe was a Sergeant Major. Lowe tried to enlist in