Erskine was born on 7 February 1846 in
Van Diemen's Land, the second son of Lieutenant Colonel The Honourable David Erskine (son of
David Erskine, 2nd Baron Erskine of Restmorel) and his first wife (m. 12 November 1839) Anne Maria Spode, daughter of Josiah Spode and great-granddaughter of
Josiah Spode. David Erskine married secondly Emma Florence Mary Harford the daughter of Captain Charles Joseph Harford,
12th Lancers. St Vincent Erskine married in 1870 to Alice Lindley Buchanan 5th daughter of David Dale Buchanan (born 1819, died 4 Sep 1874 in Cape Town), the founder of the "Natal Witness" (
The Witness (South African newspaper)) and his wife Mary Ann. St Vincent Erskine and Alice Buchanan had six children: • Charles Howard Erskine (b. 1871; d. 1918) m. Mildred Charlotte Greathead • Echo Emmeline Erskine (d. 18 November 1876; bur Commercial Road Cemetery Pietermaritzburg) • Gyneth Erskine • Iris Erskine m. Frederic Townsend-Moorland • Esme Nourse Erskine (b. 1884; d. 1962) m. Elizabeth Susan Matilda Reinders (d. 1972) and had issue Esme Stephenson Erskine and Professor Swanzie Agnew married to Sir
Fulque Agnew of Lochnaw Baronet. • Renira Erskine m. Percy Grant-Dalton St Vincent Erskine was a friend of
Thomas Baines the well known artist of African Exploration, who had accompanied
David Livingstone along the Zambezi in 1858. St Vincent Erskine died from the
Spanish flu on 8 July 1918 aged 72 years and is buried in the Maitland Cemetery, Cape Town. Alice Erskine died on 22 October 1922 at
Uitenhage, South Africa. == Explorations in Africa ==