┌─Isham Allen
┌─Charles Benson Allen
│ └─Elizabeth Mosby
Adolphus Irwin Allen
│ ┌─John Cockerham ⇒
│ ┌─William Cockerham
│ ┌─Thomas Research Cockrum
└─Mary May Cockrum
│ ┌─Grandfather Nancy Cochran White-Perhaps
└─Mary Cochran White-Perhaps