Your grandmother's sister's daughter's daughter is your great aunt's granddaughter and your second cousin. You can have a relationship with anyone your want. You can't marry your first cousin in may (but not all) US jurisdictions, but no jurisdiction forbids marriage between second cousins.
She is your niece, you are her aunt or uncle.
First cousins, twice removed. Aunts daughter is your cousin. Aunts daughters daughter is cousin once removed Aunts daughters daughters daughter is cousin twice removed.
4 daughters, 3 sons.
Medusa and her two sisters were daughters of Phorcys and Ceto.
I believe that would be a fifth cousin
That would be your cousin so no you can't.
Your sister's daughter would be considered your niece.
Daughters of one (or both) the same parents are either sisters or half sisters.
They were both daughters of Zeus, and so sisters.
The relationship to you would be your cousin !
Her parents had 4 daughters and Kiran Bedi is the second daughter.
They are second cousins