William Cadogan, 1st Earl Cadogan
Lieutenant-General William Cadogan, 1st Earl Cadogan was an Irish-born British Army officer. He began his active military service during the Williamite War in Ireland in 1689 and ended it with the suppression of the 1715 Jacobite Rebellion. A close associate and confidant of the Duke of Marlborough, he was also a diplomat and Whig politician who sat in the English and British Houses of Commons from 1705 until 1716, when he was raised to the peerage as Baron Cadogan.
William Cadogan (c.1671–1726) by Louis Laguerre
John Churchill, Duke of Marlborough. Cadogan first served under his future commander during the 1690 Siege of Cork.
Marlborough and Cadogan at the Battle of Blenheim by Pieter van Bloemen
Cadogan played a prominent role in the Allied victory at the Battle of Ramillies in 1706. Three months later he was captured by the French, before an exchange was quickly agreed.
Earl Cadogan is a title that has been created twice in the Peerage of Great Britain for the Cadogan family. The second creation, in 1800, was for Charles Cadogan, 3rd Baron Cadogan.
William Cadogan, 1st Earl Cadogan
Garter stall plate of the 5th Earl Cadogan (1840-1915), in St George's Chapel, Windsor Castle. Arms: Quarterly 1 & 2: Gules, a lion rampant reguardant or (Cadogan); 2 & 3: Argent, three boar's heads couped sable. Crest: Out of a ducal coronet or a dragon's head vert The sinister supporter wears the Cross of the Austrian Military Order of Maria Theresa, commemorating the naval services of the 3rd Earl
