He was educated at Eton and Christ Church, Oxford, also taking a degree as nobleman at Magdalene College, Cambridge.
[1] In 1797 he assumed, alongside his father, by Royal licence the surname of Griffin in lieu of his patronymic.
[2] Braybrooke was returned to Parliament for Thirsk in 1805, a seat he held until 1806, and then represented Saltash in 1807, Buckingham between 1807 and 1812 and Berkshire between 1812 and 1825.
He also published The History of Audley End and Saffron Walden (1835) and The Life of Jane, Lady Cornwallis (1842).
Lord Braybrooke survived her by two years and died at Audley End in March 1858, aged 74.