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Frederick Thesiger (naval officer)

Frederick Thesiger (28 March 1758 – 26 August 1805) was an English naval officer who went to sea with the East India Company and was later commissioned into the Royal Navy and the navy of the Russian Empire.

For others, see Frederic Thesiger.

Thesiger saw active service in the American War of Independence, the Russo-Swedish War of 1788–1790, and the War of the Second Coalition. He was flag lieutenant to Rodney at the Battle of the Saintes and to Nelson at the Battle of Copenhagen and served onshore during the Napoleonic Wars.

Early life[edit]

Thesiger was the eldest son of John Andrew Thesiger, originally from Saxony, by his English wife Sarah Gibson.[1] He was baptized at St George's, Hanover Square, on 14 April 1758, with the register noting his date of birth as 28 March.[2] The young Thesiger first went to sea in the service of the East India Company, but was accepted into the Royal Navy as a midshipman under Samuel Marshall.[1]


His younger brother Charles Thesiger (died 1831) became comptroller and collector of customs in St Vincent and was the father of Frederic Thesiger, 1st Baron Chelmsford.[3]

Obituary in , November 1805

The Universal Magazine

Obituary in , December 1805

Naval Chronicle

Short Sketch of the Life of Captain Sir F. Thesiger (London, 1806)