 The latter had been formed in 1997 when Acacia Life Insurance Company of Washington, D.C., converted from a mutual life insurance company to a stock company wholly owned by a mutual insurance holding company.The company formed by the merger of the Acacia and Ameritas holding companies was named the Ameritas Acacia Mutual Holding Company.In 2005, Ameritas merged with The Union Central Life Insurance Co. of Cincinnati, forming Unifi Mutual Holding Co.