According to the CWGC site Frank Hayter,s Father was John B F Hayter of Strawberry Hill London.
John Bishop Francis Hayter b.Lambeth 1848-50, 1861 Census St Mary's Lambeth.
John Hayter b.24 May 1850 baptised 14 Aug 1850 Christchurch Bermondsey, Lambeth.
John Hayter enlisted 14 sept 1867 age 19 b.Lambeth b.c 1848. No.1133 17 Lcrs, 1871 Longford Ireland, 18 Dec 1878 At Hounslow when he married Barbara Mulraney., to S Africa 25 Feb 1879 then to uk and India 14 Dec 1880. Discharged 11 Dec 1888 in India with a final discharge at Gosport when he arrived back in the UK. Rai KLH