Context : The Honourable Edward Boscawen was born in Tregothnan, Cornwall, England on 19 August 1711, the third son of Hugh Boscawen, 1st Viscount Falmouth (1680--1734) by his wife Charlotte Godfrey (d.1754) elder daughter and co-heiress of Colonel Charles Godfrey, master of the jewel office by his wife Arabella Churchill, the King's mistress, and sister to the Duke of Marlborough. 
Subject : Edward Boscawen 
Relation : military branch
What army did Edward Boscawen serve in?