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.
sister in law
Your sister-in-law.
your brother-in-law :)
Brother-in-law.
brother-in-law
Mum's sisters husband is Masar Ji in Punjabi
Sisters of Saint Martha was created in 1900.
yes, if she divorces him first.
Not if he is still married to your sister.