┌─Charles Benson Allen
┌─Robert S Allen
│ │ ┌─Research Thomas Cockerham ⇒
│ │ ┌─Research Thomas Cockrum
│ │ │ └─Sarah
│ └─Mary May Cockrum
│ │ ┌─Grandfather Nancy Cochran White-Perhaps
│ └─Mother Nancy Cochran White-Perhaps
Robert Gazaway Allen
└─Elizabeth Elkins