bestefaren
To say "great grandfather" with 11 greats, write the word "great" eleven times and then write the word "grandfather." Some people say "eleventh great grandfather."
16th great grandfather
Great grandfather in Swahili is "babu mkubwa."
Great grandfather in Serbian is "pradeda" or "pradedo".
Great grandfather in Danish is "oldefar."
Just add "pra" prefix to "dziadek" (eng. grandfather) for as many times as many "greats" is there. Great grandfather = "Pradziadek".
Grandfather in sanskrit is "pitAmahaH" (devanAgarI पितामहः) And great grandfather is called "pra-pitAmahaH (devanAgarI प्रपितामहः)
it is Jul Tre
pradedo
Bisnonno
Overgrootvader
The brother of your great great grandfather is your great great grand uncle, or, as some would say, your great great great uncle.