Mary Wingrove and John Baldwin had 4 children Alfred 1850, William 1856, James 1858 and Edwin 1861. William Baldwin second son is a direct ancestor b 23 Sep 1856 Chalfont, St Peters, Buckinghamshire married to Augusta Mary Willsher on 16 Mar 1879 in Datchet, Buckinghamshire, England they arrived in Australia on the ship "Stracathro" in Sep.1882 and had 7 children.
Mary died in June 1867 Amersham, Buckinghamshire, England, Great Britain, census 1861 at 60 Denham Rd, Minings Farm, Amersham, Chalfont, England
John Baldwin husband, was married twice, his 1st wife was Mary Ann Nash married 11 Oct 1847 St John the Baptist, Middlesex, England & I don't have any information on her or if she had any children or where she was born or died.
I have no information on Mary's Wingrove's parents. I hope this helps.