Jacob Tanner is 6th great grandfather.

Jacob Tanner is your 6th great grandfather.
You

→
Irma Dellinger
your mother
→
Irene Mallory
her mother
→
Charles Runyon
her father
→
John Runyon
his father
→
Mary Pedigo
his mother
→
Elizabeth Tanner
her mother
→
Frederick Tanner
her father
→
Jacob Tanner
his father