About Albert Spencer, 7th Earl Spencer
Albert Edward John Spencer, 7th Earl Spencer, (23 May 1892 – 9 June 1975), styled The Honourable Albert Spencer until 1910 and Viscount Althorp from 1910 to 1922, and known less formally as Jack Spencer, was a British peer. He was the paternal grandfather of Diana, Princess of Wales. == Early life == Lord Spencer was born in London, the son of Charles Spencer, 6th Earl Spencer, and his wife, the former Margaret Baring, second daughter of Edward Baring, 1st Baron Revelstoke. His godparents included Edward VII. He was educated at Harrow School and Trinity College, Cambridge, where he was a friend of Lionel Lupton, who studied the same subject at Trinity. They signed up together to fight in World War I. Lupton's sister Olive Middleton was the great grandmother of Catherine Middleton who married the great-grandson of Lord Spencer, Prince William, in April 2011. == Career == On 5 August 1914, Spencer was commissioned as a second lieutenant in the 1st Regiment of Life Guards, was promoted to lieutenant on 21 October 1914, appointed an aide-de-camp on 9 May 1917, and promoted to captain on 15 June 1917. When 1st Life Guards merged with the 2nd Life Guards on 18 November 1922, Spencer was appointed a captain in the new regiment. He retired from the army on 20 September 1924, but remained a member of the Regular Army Reserve of Officers until reaching the mandatory retirement age on 2 June 1943. On 27 August 1924, Lord Spencer was appointed the Honorary Colonel of the 4th (Territorial) Battalion, Northamptonshire Regiment, remaining in that role when it was renamed 50th (Northampton Regiment) Anti-Aircraft Battalion on 1 October 1937, and throughout its various post-war incarnations until finally relinquishing his appointment on 1 April 1967. He was awarded the Territorial Efficiency Decoration on 12 September 1944, with two clasps on 20 November 1953.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.