Lieutenant-Colonel Peregrine Francis Cust (13 August 1791 – 15 September 1873)[1] was a British Tory[2] Member of Parliament (MP).
[3] He was returned to Parliament at the 1818 general election as one of two members for the borough of Honiton in Devon,[4] and re-elected there in 1820.
He married firstly Lady Isabella Mary, daughter of Charles Montagu-Scott, 4th Duke of Buccleuch, in 1823.
After her early death in October 1829 he married secondly Mary Sophia, daughter of John Townshend, 2nd Viscount Sydney, in 1833.
After her death in December 1852 he married thirdly Frances, daughter of Charles Steer and widow of Augustus Keppel, 5th Earl of Albemarle, in 1860.