Lady Caledon died on 8 July 1863, having bequeathed Tyttenhanger to her daughter-in-law Jane, with an entail upon her four children and, according to one source, the estate descended to her eldest son James Alexander, 4th Earl of Caledon, who died in 1898. His widow became lady of the manor and held it in trust for her children.
Lady Caledon passed away on July 8, 1863, leaving Tyttenhanger to her daughter-in-law Jane. Her four children were entitled to inherit the estate, with one source stating that it ultimately went to her eldest son, James Alexander, 4th Earl of Caledon, who died in 1898. His widow became the manor's mistress and held the property for their children.