Robert married Isabel Adeane on 8 Jan 1857 in St. Peter's, Babraham, Cambridgeshire, England. Isabel (daughter of Henry John Adeane and Matilda Abigail Stanley) was born in 1839 in Babraham, Cambridgeshire, England; was christened on 28 Apr 1839 in Babraham, Cambridgeshire, England; died on 16 Sep 1913. [Group Sheet]

1. Hilda Marion Smith was born between 1 Oct 1867 and 31 Dec 1867 in Goldings, Hertfordshire, England; was christened on 25 Oct 1867 in Bengeo, Hertfordshire, England; died on 15 Oct 1943 in Oxford District, Oxfordshire, England.
2. Wilfrid Robert Abel Smith was born about 1870 in Goldings, Hertfordshire, England; was christened on 15 Oct 1870 in Bengeo, Hertfordshire, England; died on 19 May 1915; was buried in Le Touret Military Cemetery, Richebourg-L'Avoue, France.