, 1818 On 14 June 1783 Thellusson was married to Elizabeth Eleanora Cornwall, the daughter of John Cornwall, a Russia merchant of Hendon, Middlesex. Together, they were the parents of six sons and one daughter, •
William Thellusson, 3rd Baron Rendlesham (1798–1839), the Vicar at Aldenham who married Lucy Pratt, daughter of Edward Roger Pratt, in 1826. • Hon. Edmund Thellusson (1799–1818), who drowned in 1818. • Hon. Arthur Thellusson (1801–1858), who married Caroline Anna Maria Bethell-
Codrington, daughter of
Christopher Bethell-Codrington and Hon. Caroline Foley (daughter of the
2nd Baron Foley), in 1826. Lord Rendlesham, who lived at
Rendlesham Hall, died in September 1808, aged only 46, but with a fortune said to be £400,000. He was succeeded in the barony by his eldest son John. ==References==