Frank, I will give you the information I have and I don't know how correct it is. Most of my Calk research was done by Frank White who has passed on and this is from his writings. Isaac R. Calk b. April 15,1856 died Jan. 19. 1914 married Holland Albritton born Oct. 9, 1856 died Sept. 11, 1916.Children: 1. Carlos L. Calk, who married Susie Averette 2. David 3.Mimie 4.Evie 5. Mary 6. Isaac Jr. Hope this will give you somewhere to go to from here.