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