Robert Sandercock1761–?সময়রেখাBirth1761Death0সম্পর্কভাই-বোনJohn Sandercock (1762–?)George Sandercock (1765–?)বাবা-মাRobert Sandercock (1738–1812)Mary Dennis (1739–?)উৎসwikitree Sandercock-18