Gosset was born in Jersey and was of French Huguenot descent. He was the son of Matthieu Gosset of Bagot and his second wife, Marguerite Durell. He had three half-brothers by his father's first marriage, including Matthew Gosset, Viscount of Jersey. His great-uncle was the sculptor Isaac Gosset and his uncle, also named Isaac, was a noted bibliophile.[2]
He was knighted in 3 May 1831 by the Queen and appointed a Knight Commander in the Royal Guelphic Order that same year.[3]
Personal life
In 1808, he married Gertrude Martha, daughter of Ralph Allen Daniell of Trelissick, near Truro. He settled in Cornwall, where he and his wife had one son – who also served as Serjeant-at-Arms – and three daughters.[3][6][7]
Sir Ralph GossetKCB (1809–1885), Serjeant-at-Arms from 1875–85
Elizabeth Louisa Gosset (1811–1897), married Frederick Willis, Esq.