Hi George, Thomas H. Compton, 10380 East Pike Drive, Invernes, FL 32650, Tel. 904-726-4248, has done some research on Cassie Addison and her ten children. His wife is a descendant. Thomas has this in his research:Mark Addison, b. 1858-59, m. Cassie Browning 4-13-1881, Bradford Co., FL.Their children were: Wyan W. Addison, b. Mar 1894, Carlos D. Addison, b. Sept 1895 and Mark L. Addison, b. Sept. 1896. Maybe Thomas has more recent research information.