 His paternal great-grandfather Bernard Hebeler, KCRE FSS (1794–1862) was the Prussian Consular General to the court of Queen Victoria.Bernard Hebeler was brother-in-law to John Leycester Adolphus (1795–1862) a barrister and historian.Another of his great grandfathers was James Meadows Rendel FRS (1799–1856) who was a British civil engineer.