Is anyone more closely connected to John Carradine than 18 steps?

Question

I am connected to John by 18 degrees through my great grandmother's two marriages.

My closest blood relationship is as 8th cousins once removed.  Closest ancestor:  Col. John Jackson.

I also am blood kin through the Seaman family.

Answer 1

15 degrees, 10th cousins

Answer 2

15 degrees--sixth cousin 2x removed on maternal side!

Answer 3

17. He is my 7th cousin twice removed.

Answer 4

15 Degrees. 6th cousins once removed.

Answer 5

My brother in law's sixth cousin, twice removed (shown through his grandfather). 16 steps.

Answer 6

No.  I am 20 degrees through a maze of Family Names.