William Cox junior (1789-1850) married Elizabeth Piper in 1813 and their children were:
William (1814-1883) married Eliza Iselton and Agnes Fuz
Ann (1816-1893) married Henry Reynolds
Eliza (1817-1881) married James Arndell Youl
John Hobart (1818-1891) married Eliza Georgina Cox
Frances (1820-1894) married John Cox
Charles (1821-1821) unmarried
Sloper (1823-1877) married Adelaide Sophia Garling
Matthew (1823-1823) unmarried
Jane (1825-1855) married Walter Lamb
Rebecca (1826-1887) married Lewis Duncan Whitaker