Mark Wilks Collet was one of the three sons of James Collet (27 July 1784 – ) and his wife Wendelina Elizabeth, daughter of Abraham Van Brienen, whom he married in 1812 at Archangel,
Russia. James Collet was the son of Capt. John Corlett or Collet (1751–1814), a sea captain born in Douglas,
Isle of Man, who settled in
Philadelphia, PA, and his wife Ann Wilks (1758–1840) Collet married firstly Susannah (or Susan) Gertrude Eyre (d. 22 July 1851, Liverpool, aged 29), the youngest daughter of the Rev. James Eyre, by whom he had a daughter, Lina Susan Penelope Collet. She married, on 15 November 1870,
Frederick Henry Norman (1839–1916), himself the son of a prominent British banker. Her eldest son became the Right Hon.
Montagu Collet Norman, later Lord Norman, Privy Councillor, and Governor of the Bank of England from 1920 to 1944. Another son was
Ronald Collet Norman. By a second marriage to Antonia Edlmann, he had a son, Sir Mark Edlmann Collet (1864–1944). In 1878, he bought and renovated the country house of
St. Clere, in
Kemsing, Kent. ==Notes==