Background
Marsham was the son of Sir Robert Marsham, 4th Baronet of Bushey Hall, Hertfordshire, and his wife Margaret Bosvile, daughter of Thomas Bosvile of Little Motte, Eynsford, Kent.
Marsham was the son of Sir Robert Marsham, 4th Baronet of Bushey Hall, Hertfordshire, and his wife Margaret Bosvile, daughter of Thomas Bosvile of Little Motte, Eynsford, Kent.
His father was a former Member of Parliament for Maidstone. Marsham succeeded his father as the 4th Baronet in 1703. He was raised to the peerage as Baron Romney, of Romney in the County of Kent, on 22 June 1716 and was constituted governor of Dover Castle.
Lord Romney married Elizabeth Shovel, daughter of Admiral Sir Cloudesley Shovel, in 1708.
2nd Parliament of Great Britain. 3rd Parliament of Great Britain. 4th Parliament of Great Britain.
5th Parliament of Great Britain.
Royal Society]
He was elected Member of Parliament (Member of Parliament) for Maidstone in 1708 and held the seat until 1716.