Caspar Herman Hausmann was a Danish-Norwegian General, lumber merchant and squire. He was born 10 January 1653 at Segeberg in the Danish duchy of Holsten (now Holstein), which was then in union with Denmark-Norway. He died 9 September 1718 in Christiania (now Oslo) and lies in a crypt in Oslo Cathedral. He was married to Karen Nielsdatter Toller (1662–1742). He was a half-brother by Margaret Pape with Ulrik Frederik Gyldenløve (1638–1704) — Gyldenløve was King Frederick III of Denmark's acknowledged illegitimate son and Statholder (viceroy) to Norway from 1664 until 1699.