Goo ma and goo je are older and younger aunts on your father's side.
Type: Posts; User: -N-
Goo ma and goo je are older and younger aunts on your father's side.
Suk is your father's younger brother. Bak is your father's older brother.
In kung fu terms, junior and senior classmates of your teacher. Your teacher's kung fu brothers.
So Si Suk and Si Bak...