John St. Vincent Saumarez, 3rd Baron de Saumarez

Colonel John St Vincent Saumarez, 3rd Baron de Saumarez (28 May 1806 – 8 January 1891) was a British soldier and artist.

Early life John St. Vincent Saumarez was born on 28 May 1806. He was the third son of Admiral James Saumarez, 1st Baron de Saumarez and Martha Le Marchant (d. 1849). Through his mother, the estate now known as Saumarez Park came into the family. His elder brothers were the Rev. James Saumarez (who married Mary Lechmere, daughter of Vice-Admiral William Lechmere), and Thomas Le Marchant Saumarez (who married Catherine Spencer Alicia Beresford Vassall, daughter of Lt.-Col. Spencer Thomas Vassall). and Dr. Richard Saumarez. His aunt married Henry Brock, making him a first cousin of Maj.-Gen. Sir Isaac Brock and Daniel de Lisle Brock. His maternal grandparents, also from Guernsey, Thomas Le Marchant and Mary ( Dobrée) Le Marchant (sister to Mary Dobrée, who married Sir Peter de Havilland, both daughters of merchant Peter Dobrée).

He served as a colonel in the British Army, Light Brigade.

Personal life On 2 June 1838 at the British Embassy in Paris, he married Caroline Esther Rhodes (1818–1846), daughter of William Rhodes of Kirskill Hall, Yorkshire, and Bramhope Hall, Yorkshire. While in London, they lived at 41, Prince's Gate, South Kensington. Before her death on 15 July 1846, they were the parents of two sons and two daughters:

Hon. Caroline Amelia Saumarez (1839–1922), who married, as his second wife, George Irby, 4th Baron Boston, son of George Irby, 3rd Baron Boston, in 1861. After his death in 1869, she became a nun at The Ascension, Lavender Hill, London, of which she was the principal benefactor. She took the religious name of Mother Mary Caroline of the Benedictine Community of the Compassion of Jesus. Hon. Augusta Caroline Saumarez (1841–1929), who married Florance Irby, 5th Baron Boston, son of George Irby, 4th Baron Boston and, his first wife Fanny Elizabeth Hopkins-Northey, in 1859. After his death in 1877, she married Sir Henry Percy Anderson, Assistant Undersecretary for Foreign Affairs, in 1883. James St. Vincent Saumarez, 4th Baron de Saumarez (1843–1937), a career diplomat who married heiress Jane Anne Vere-Broke, daughter of Capt. Charles Acton Vere-Broke and Anna Maria Hamilton (a daughter of John Hamilton of Sundrum), in 1882. Hon. Antoinette Elizabeth Saumarez (1854–1918), who married Piers Egerton-Warburton, son of Rowland Egerton-Warburton and Mary Brooke (eldest daughter of Sir Richard Brooke, 6th Baronet of Norton Priory), in 1880.