Robert Rochfort, 1st Earl of Belvedere, PC (Ire) (26 March 1708 – 13 November 1774) was an Anglo-Irish politician best known for his abusive treatment of his second wife, Mary Molesworth.

[2] On 16 March 1738, he was raised to the Peerage of Ireland as Baron Belfield and assumed his seat in the Irish House of Lords, quickly becoming a favourite in the court of George II of Great Britain.

Belfield was badly wounded, and Herbert received a ball in the eye which came out at the back of the skull, but nevertheless, he survived, although mentally he was never the same man again.

When she was finally released by order of her son after his father's death, she apparently took to wandering the house and talking to portraits as if they were real people.

He had two other sons, Richard and Robert, and a daughter, Jane who married firstly Brinsley Butler and secondly John King, father of Gothic writers Charlotte Dacre and Sophia Fortnum.