He would be your great-great uncle.
Your grandfather's uncle is your great great uncle. Your grandfather's brother would be your great uncle
Step-great-granddaughter
Tun Dr. Mahathir's granddaughter is named Shaista Mayada Sosrowardoyo
Your grandfather's brother is your great uncle. Your great uncle's daughter's daughter (his granddaughter) is your second cousin.
yes
Yes, your grandfather's granddaughter could be your sister, making her son your nephew.
Your brothers great granddaughter is your great great niece.
Two people whose grandfathers were brothers are second cousins to each other.
The half-sister of your granddaughter's half-sister is your granddaughter, or is not related to you.
granddaughter
할아버지 (Hara buhjee)
Your sister's daughter is your niece and her granddaughter is your great niece.
grandson....
Granddaughter
Your brothers granddaughter is your grandniece.
What is your great-great-great grand nephew?!