Execution Dock His remains were gibbeted by the river Thames at Tilbury for three years. George Davis and William Watts, convicted for piracy for the "Cyprus" mutiny, were the final hangings at the dock on 16 December 1830. Some sources state there is a large "E" on the Thames side of the building at Swan Wharf, indicating the site of Execution Dock. Another source states it was approximately where the London Overground station now stands. Execution Dock Execution Dock was a place in the River Thames near the shoreline at Wapping, London, that was used for more than 400 years to execute
William Watts Lord of the Manor. Watts died in August 1764 and is buried in the Watts vault in Hanslope parish church. His "Memoirs of the Revolution in Bengal" was published in the year of his death. He had three surviving children (one child, William, died in infancy). These were also the only surviving children of Frances. All had notable descendants in politics and empire-building. Their daughter Amelia married George III's close adviser Charles Jenkinson, later the first Earl of Liverpool. An early portrait by Joshua Reynolds is thought to have been of her. She died aged 19, shortly after giving birth