Arthur was the son of James Stanhope Jenoure and Ada Isabel Jenoure (nee Houghton).
James Jenoure was born in 1861 (christened Cheetham St Mark, Lancashire, 17 November 1861) one of five children of Katharine and Rev Henry Courtenay Jenoure (born Epperstone, Notts), who in 1871 was the vicar of St Helen's, Burton Joyce, Nottingham.
James and Ada were married at St Gabriel's church, Deritend, Warwickshire, on 25 July 1883 and had four children; Douglas Stanhope Houghton (b. 1883 Elton Notts, registered O/N/D Shardlow, Derbyshire), Irene Florence (b. Hampton-in-Arden, birth registered 1887, J/F/M Meriden Warks), Arthur (b. 11 September 1893) and George Ethelred (b. 28 June 1896, Sledmere Yorkshire).
At the time of the 1891 census James (29) was a boarder at 42 Bedford Road, Clapham, London; his occupation being a 'missionary to the deaf and dumb'. Meanwhile his wife Ada (33) and their two children, Douglas (7) and Irene Florence (4), were living with her widowed mother, an elementary school mistress, and Ada's sister, Florence (also an elementary school teacher), at Peel House, Hampton in Arden.
By the time of the 1901 census, Ada, a worker for a lace curtain manufacturer, together with her children, Irene (14) and George Ethelred (4, b. 1896), were boarders in the household of a widow, Marian Hawkins, and her daughter, Sarah, at 24 Gladstone Street, Beeston, in the parish of St John the Baptist. Her husband, an assistant school teacher, was in the household as a visitor. Their two other sons, Douglas and Arthur, have not yet been traced on the 1901 Census.
Irene married Garnet Alfred Baumfield in 1904 (marriage registered A/M/J Nottingham).
By 1911 Ada was living with her daughter Irene, son-in-law Garnet and grandsons Raymond Massey (6) and Shaunie King (5), at 52 Burns Street, Nottingham. At the same date her husband, James (49), now a private tutor, was a boarder at 42 Bedford Road, Clapham, London. Her son Douglas (27) was a boarder at 19 Abbott Street, Doncaster, giving his occupation as dental practitioner although when he joined the army his occupation was 'dental mechanic'. George (14), was a train recorder, a boarder in the household of Mary Jane Mounsey, a widow, at 37 Cross Flatts Parade, Beeston, Leeds. Arthur had joined the Royal Navy in June 1910 straight from a naval training school, and in April 1911 he was a signal boy onboard HMS Hampshire in HM Dockyard Portsmouth.
Arthur's brother George joined the Royal Navy on 7 November 1912 and died when HMS Good Hope was lost at the Battle of Coronel on 1 November 1914 (J/21192 (PO) Ordinary Signaller, Portsmouth Naval Memorial).
At the time of George's death in 1914 Ada Jenoure was still living at 52 Burns Street. She died in Nottingham in 1929.
James Jenoure later lived in Manchester and died there on 13 April 1947 and was buried in the Southern Cemetery, Manchester, on 16 April. Probate (effects £102 14s) was awarded to his daughter, Irene, who was widowed the same year, her husband Garnet had died a few months earlier in February.
Irene died aged 62 in 1949 (death registered Dec, Surrey North-eastern).
The third brother, Douglas, was married on 22 December 1914 at St Matthias Church, Nottingham, to Elizabeth Potter and they had two children, James Houghton, born 26 June 1915, and Joan Houghton born 10 September 1917. The family lived at 77 Goldsmith Street, Nottingham. He was called up for service on 9 January 1917 in the Army Service Corps Mechanical Transport (regimental number 97284) but was later compulsory transferred to the Machine Gun Corps before finishing his time in the army in the Tank Corps. Douglas only served at home and was demobilized to the Army Reserve on 12 March 1919, being discharged on 31 March 1920. He died in Surrey in 1963.