sister in law
sisters in law
She is your sister-in-law.
I cannot see why not. There is no blood relationship between you and your sisters ex-husband.
Brother-in-law.
your brother-in-law :)
Your sister-in-law.
brother-in-law
Mum's sisters husband is Masar Ji in Punjabi
Sisters of Saint Martha was created in 1900.
Not if he is still married to your sister.
Your niece in law.
yes, if she divorces him first.