William Tooke, the benefactor of Horne Tooke, died in October 1802. Captain (later Colonel) Harwood, who married Holcroft’s daughter Ann, was Tooke’s nephew. Tooke apparently left Harwood and a great-nephew money on the condition that they took his name.

See David and Christina Bewley, Gentleman radical: a life of John Horne Tooke, 1736–1812 (London: Tauris Academic Studies, 1998), p. 80.