He was the eldest son of Sir Bennet Hoskyns, 1st Baronet, of Harewood and Morehampton Park, Herefordshire, and grandson of Serjeant John Hoskins, born in Herefordshire on 23 July 1634. He was educated in the rudiments of Latin by his mother, Anne, daughter of Sir John Bingley of Temple Combe, Somerset, and was later sent to Westminster School under Richard Busby.
He was one of the founders of the Royal Society and served as its President from 1682 to 1683. Between 1685 and 1687 he also represented Herefordshire in the House of Commons. Sir John married Jane, eldest daughter of Sir Gabriel Lowe of Newark, Gloucestershire by Ann Hungerford of South Marston.
They lived at Harewood End, as did Jane continue in widowhood until 1724 when she died, and was buried in the church there.
They left a large family. Of these Sir Bennet Hoskyns succeeded as 3rd baronet.
Younger brother John was Master of Arts and Rector of Peterstow. Hoskyns was called to the bar at the Middle Temple, and although he may have practised, acquired a reputation as a lawyer, and was made a master in chancery bench.
Sir John was elected to parliament called on the death of Charles II for Herefordshire.
He resigned the chair the following year, but from 1685 to 1687 was secretary. He died on 12 September 1705, and was buried at Harewood, Herefordshire.
Royal Society]
In 1680 he succeeded his father in the baronetcy (having been knighted previously), and five years later was chosen Member of Parliament for Herefordshire. But was not active in politics.
