On 27 December 1831, Forth was married to Caroline Jemima Sherson (1810–1878), a daughter of Robert Sherson and Catherine Taylor. Together, they were the parents of: • Catherine Georgiana Forth, who married
lord of the manor of
Little Cawthorpe, John Bartholomew Parker, the eldest son of Lysimachus Parker and Sarah Green of
Dowsby Hall, in 1862. • Robert de Lancey Forth (1835–1890), who married Anne Thomson Ware, a daughter of
Jeremiah George Ware, in 1877. He died in Tasmania in 1876.
Descendants Through his son Robert de Lancey Forth, Forth's great-great-grandson is Australian-American media mogul
Rupert Murdoch, through Murdoch's mother,
Elisabeth Joy Greene, a daughter of Marie Grace de Lancey Forth. ==References==