The relationship to you would be your cousin !
What family members your is fathers mothers daughters sons sisters
Your mothers sisters Granddaughter is your second cousin
Your first cousin
no....because she is a sister for you
The word for uncle in Hindi is "चाचा" (chacha) for father's brother and "मामा" (mama) for mother's brother.
Your sister's daughter would be considered your niece.
can it be an incest if a son and a daughter who are related because of their mothers who sisters marry each other?
That would be your cousin so no you can't.
your great aunt.
Your mothers sisters Granddaughter is your second cousin
No. This is a religious relationship, not a family relationship.
Yes, she did. She had the relationship of a mother that a mother has with her son. As most mothers do.