Complex sentence: Vice Admiral Sir Peter William Beckwith Ashmore (4 February 1921--31 July 2002) was a Royal Navy officer who became Master of the Household to the Sovereign.
Split into simpler sentences: Vice Admiral Sir Peter William Beckwith Ashmore (4 February 1921--31 July 2002) was a Royal Navy officer. He became Master of the Household to the Sovereign.