JoBNZ, a little more information for you, some you may already know.
Elizabeth Cross died Jan. 1849. John Cross died Aug 1849 aged 55years.
Ann Cross remarried after George Harris to William John Watson in 1855, had a son John born 1856. She died Jan 1858.
Sophia Cross married William Hailey 1856. She died in 1857.
Eliza Cross was with William James Merryweather (can't find marriage), son Alfred William Merryeather born 1849. A death in Birmingham 1852, may be him and an Eliza Merryweather in 1851 may be her, haven't got certificates for them so not sure.
Emma cross married William Cornelious Cowley in 1860 and then William Lomas 1876. (Haven't found children).
Annie Harris married William Wilson Proctor 1873 then her cousin James H. Pounce in 1878. I think she had a son not sure of information about him.