Your great uncle! (no blood relation there, but still your uncle:)
Your father's sister's daughter is your first cousin. Her husband is not related to you and you would refer to him as "my cousin's husband."
Your grandmother's sister's husband is your great uncle.
Your grandfathers' sisters' grandchildren are your second cousins.
sisters in law
She is your sister-in-law.
Brother-in-law.
your brother-in-law :)
Your sister-in-law.
Phillipp uncle
There is no specific word for the husband of your wife's sister. If you need a phrase, call him your "sister-in-law's husband."
cousin
Jijaji- brother in law
Yes, along with your grandfathers' sisters, if any.
Your grandfather's cousin is your cousin twice removed. Her husband has no direct relationship to you.