Your father's grandfather is your great grandfather.
"Grandfathers" is an English equivalent of the Italian word nonni. The masculine plural noun also translates into English as "grandparents" in terms of either a group of only grandfathers or of mixed grandmothers and grandfathers. The pronunciation will be "NON-nee" in Italian.
An Aunt.
할아버지 (Hara buhjee)
That the grandfathers ... is the English translation of 'ut proavi'. In the word by word translation, the adverb 'ut' means 'in order that'. The noun 'proavi' means 'grandfathers'.
Jonson
Your grandfather's brother is your great uncle.
Grandmother in English. English does not distinguish between the Mother's mother and the Father's mother, they are both called Grandmother.
Father Christmas.
A file were you store dead cut up grandfathers!
He would be your great great uncle, but you could call him whatever endearing name you both prefer. my great grandfathers brother or my great uncle
your mother is called your mother. her dad is your grandfather. and his dad is your great grandfather. and then each parent of that you add a great. e.g. your great grandfathers father is your great great grandfather. ect.