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.
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.
Siege of Mons (1709)
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The siege of Mons took place between 19 September and 23 October 1709 during the War of the Spanish Succession. It saw a Franco-Spanish garrison in the fortified town of Mons, then in the Spanish Netherlands, besieged by a force of the Duke of Marlborough's Grand Alliance army under the command of the Prince of Orange.
A plan of the siege of Mons in 1709
The Prince of Orange, who commanded the Dutch, British and Imperial force during the siege