Ernst is both a surname and a given name, the German, Dutch, and Scandinavian form of Ernest. Notable people with the name include: Surname. Adolf Ernst (1832–1899) German botanist known by the author abbreviation "Ernst" Anton Ernst (born 1975), South African film producer. Alice Henson Ernst (1880-1980), American writer and historian. Britta Ernst (born 1961), German politician. Cornelia Ernst, German politician. Edzard Ernst, German-British academic. Emil Ernst, astronomer. Ernie Ernst (1924/25–2013), American judge. Eugen Ernst (1864–1954), German politician.
https://en.wikipedia.org/wiki/Ernst