 Complete the following phrase:  Born the son of Gregory Haines, a commissariat officer, and Harriet Haines née Eldridge, Haines was educated at Midhurst Grammar School and the Royal Military College, Sandhurst before being commissioned into the 4th Regiment of Foot on 21 June 1839. He was promoted to lieutet on 15 December 1840 and appointed aide-de-camp to General Sir Hugh Gough his eldest brothers father-in-law in 1843. Haines took part in the Battle of Mudki in December 1845 and the Battle of Ferozeshah where he was severely wounded in December 1845 during the 