Frederick Cornwallis, 1st Baron Cornwallis
Frederick Cornwallis, 1st Baron Cornwallis was an English peer, MP and Privy Counsellor. He was Treasurer of the Household 1660–1662. He was the eldest surviving son of Sir William Cornwallis of Brome, Suffolk, and his second wife, Jane. After his father's death, his mother married Sir Nathaniel Bacon.
He died suddenly of apoplexy. Samuel Pepys recorded his death in the famous Diary, and described him as a "bold, profane-talking man". Another contemporary source described him as "a man of so cheerful a spirit that no sorrow came next his heart, and of so resolved a mind that no fear came into his thoughts".Family
He married twice. His first wife, Elizabeth Ashburnham, was the daughter of Sir John Ashburnham and Elizabeth Richardson, 1st Lady Cramond.
After the wedding, in January 1631, King Charles I, Henrietta Maria and Susan Feilding, Countess of Denbigh wrote to congratulate his mother Jane, Lady Cornwallis Bacon, and ask her to forgive him for his disobedience and return him to her favour. Denbigh said Ashburnham was her cousin "though her family be unfortunate".
They had three sons, and a daughter. After her death c. February 1643, he married Elizabeth Crofts, daughter of Sir Henry Crofts, with whom he had a daughter.
He was the father of Charles Cornwallis, 2nd Baron Cornwallis.