할아버지 (Hara buhjee)
I believe you call them Koreans
Your father's grandfather is your great grandfather.
Your grandfather's brother is your great uncle.
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
Grandfather, grandad, grandpa..depends on the person
The correct possessive form of "grandfathers" is "grandfathers'".
Big mack daddy pimpster
by makin a party and inviting all ur grandfathers from death and gettin drunk with them
Your grandfather's uncle is your great great uncle. Your grandfather's brother would be your great uncle
Koreans
As of 2021, there is an estimated population of around 100,000 Korean nationals living in the Philippines. Many Koreans reside in the country for business, education, and tourism purposes.
In Pakistan most of people call their grandfathers as "Dada". This is common word and every single Pakistani is familiar with it.