Hardcastle married in 1777 Anne Corsbie, daughter of John Corsbie of Bury St Edmunds. They had nine children, two dying young, with three sons and four daughters becoming adults. They included: • Anne (died 1827), the eldest daughter, who married in 1810
Henry Forster Burder. • Mrs Arnould (Elizabeth, died 1827), mother of Anne Elizabeth Hardcastle Arnould, who married the Rev. Henry Olivier and was grandmother of
Laurence Olivier. • Alfred (1797–1841), second son, married firstly Anne Cobb Hurry (1789–1815);
Joseph Alfred Hardcastle, MP, was their son. He married secondly Emma Smith, in 1820. • Emma Corsbie (1800–1867), youngest daughter, who married in 1822
Alexander Haldane (1800–1882). The other children were Selina, Joseph and Nathaniel. ==References==