George and Lucy Liebenrood did not have any children so when they died Prospect Park was inherited by their cousin Captain John Hancock. He changed his name to Liebenrood in 1865 as a condition of the inheritance. John was born in 1813 near Dover. His father was Rear Admiral John Hancock. In 1847 he married Eliza Cambridge (1818-1888) the daughter of Lemuel Cambridge, a shipowner of Canada. He entered the navy in 1827 and spent 35 years in the naval service rising to the rank of Captain. He died in 1883 and his wife Elizabeth died in 1888. Both are buried in the Church of St Michael, Tilehurst.