| | Cain's great-great-grandfather, Whitfield Briscoe Cain (1874-1955),<ref>{{cite web|url=https://www.findagrave.com/memorial/7431098/whitfield-briscoe-cain|title=Whitfield Briscoe Cain|publisher=finadagrave.com|accessdate=December 6, 2021}}</ref> was a [[dentist]] in Frankin, Texas, who at the age of twenty-two killed John M. Myatt (1852-1896), whom Cain claimed had [[slander]]ed his wife, Bertha Bicker Cain (1877-1975), to whom the dentist had been married for one year. The jury found Cain not guilty in the case. Whatever Myatt said to Cain remains unknown.<ref>{{cite web|url=https://livingbluetx.com/2021/10/murder-trial-of-briscoe-cain/|title=The Murder Trial of Briscoe Cain: Murder over slander in 1896|author=Michelle H. Davis|date=October 18, 2021|publisher=livingbluetx.com|accessdate=December 6, 2021}}</ref> | | Cain's great-great-grandfather, Whitfield Briscoe Cain (1874-1955),<ref>{{cite web|url=https://www.findagrave.com/memorial/7431098/whitfield-briscoe-cain|title=Whitfield Briscoe Cain|publisher=finadagrave.com|accessdate=December 6, 2021}}</ref> was a [[dentist]] in Frankin, Texas, who at the age of twenty-two killed John M. Myatt (1852-1896), whom Cain claimed had [[slander]]ed his wife, Bertha Bicker Cain (1877-1975), to whom the dentist had been married for one year. The jury found Cain not guilty in the case. Whatever Myatt said to Cain remains unknown.<ref>{{cite web|url=https://livingbluetx.com/2021/10/murder-trial-of-briscoe-cain/|title=The Murder Trial of Briscoe Cain: Murder over slander in 1896|author=Michelle H. Davis|date=October 18, 2021|publisher=livingbluetx.com|accessdate=December 6, 2021}}</ref> |