your great great great great grandfather
Your grandfather's great nephew is your second cousin.
If the grandfathers were 1st cousins, the grandchildren of each grandfather are 3rd cousins to each other.
Your father's grandfather is your great grandfather.
Your great great grandfather.
Your great grandfather's sister is your great great aunt. You are her great great niece or great great nephew, depending on your sex.
Your grandfathers brother to you is your Great Uncle!
Your grandfather's nephew would be your First Cousin once removed Ref: http://freepages.genealogy.rootsweb.ancestry.com/~gentutor/chart.html
Your grandfather's uncle is your great great uncle. Your grandfather's brother would be your great uncle
Your grandfather's brother is your great uncle.
i am my own grandfather
Your grandfather's cousin is your cousin twice removed. Her husband has no direct relationship to you.
"Paternal" means "on your father's side". Your paternal great-grandfather would be one of your father's grandfathers.