Richard was son of William and Anne Maringuy and brother of Peter Broun. Richard married Ann Leake 8 March 1837 at Perth. Ann died in childbirth on 27 November 1855. Amelia was adopted by Ann Broun (nee Leake). Married a second time to Charlotte Herbert. Granted 5000 acres at Avon and Plantagenet. Appointed Government Registrar and Collector of Revenues. Was Registrar Magistrate at Fremantle between 1831 and 1858. Treasurer of Fremantle Whaling Company 1850. Richard died 10 November 1858. His widow and children returned to England in 1859.