How Are We Related?

Maternal Great-Grandfather: David William Rowley – 30
David William 30 – Grace Harriet 10 – Living 3 – Kellie Jeanette 1 

2nd Wife of Maternal Great-Grandfather: Estella Cordelia Tidwell – 166
Estella Cordelia 166 =  David William 30 – Grace Harriet 10 – Living 3 – Kellie Jeanette 1 

+: Parent
-: Child
=: Spouse