Rolt’s father was the son of Edward Rolt of Pertenhall, Bedfordshire, by Mary, daughter of Sir Oliver Cromwell of Hinchingbrooke, Huntingdonshire, the Protector’s uncle.
Before the 1722 election Lord Cardigan wrote to Lord Gower:
I am apt to believe that £300 will do, in case Rolt can be brought to join heartily with anyone ... I have a project in my head to turn out Rolt, in case he does not do us justice.
Undated, Leveson Gower letter bk. vii. f. 16.
He was defeated at Grantham, where he stood jointly with Lord Cardigan’s candidate,
