Background
Cheyne was the son of Francis Cheyne of Chesham Bois and his wife Anne Fleetwood, daughter of Sir WIlliam Fleetwood of Great Missenden Buckinghamshire.
Cheyne was the son of Francis Cheyne of Chesham Bois and his wife Anne Fleetwood, daughter of Sir WIlliam Fleetwood of Great Missenden Buckinghamshire.
Brasenose College.
He matriculated at Brasenose College, Oxford on 29 January 1640, aged 14 and was of Lincoln"s Inn in 1642, (as Cheney). He paid for the house in installments beginning in 1657 with £1,900 and made the final payment for whole estate in 1661 at a total cost of £13,626. He was elected Member of Parliament for Great Marlow in March 1669 to the Cavalier Parliament and sat until 1679.
He was created Viscount Newhaven (in Scotland) on 17 May 1681.
In 1690 he was elected Member of Parliament for Harwich and Newport (Cornwall) and chose to sit for Harwich until 1695. In 1695 he was elected Member of Parliament for Newport and sat until his death.
Cavalier Parliament]
In 1660, Cheyne was elected Member of Parliament for Amersham in the Convention Parliament.