Born: June 6, 1820, Chislehurst, Kent, England.
Died: September 18, 1898, Preston-Next-Wingham, Eastry, Kent, England.
Buried: St. Nicholas Church, Chislehurst, Kent, England.
Jenner was the son of Sir Herbert Jenner-Fust and Elizabeth Lascelles, and father of Henry Jenner.
He was educated at Harrow and Trinity College, Cambridge (LLB in honors 1841, DD 1867).
Jenner was ordained in 1843 and held curacies at Chevening, Kent; St. Columb, Cornwall; St. Anthony, Cornwall; Leigh, Essex; and Brasted, Kent.
He was appointed vicar of Preston-Next-Wingham, Kent, in 1854, and first bishop of Dunedin, on the South Island of New Zealand, in 1866.
In 1870, he returned to his former position at Preston-next-Wingham. He resigned his bishopric in 1871.