You just call her Sister in law.But however correct term is co sister in law
You would be either the great aunt or uncle.
Sister-in-law from another mother
They are brothers in law
"Relative" refers to something considered in relation to something else, such as a family member. "Relation" refers to the way in which two or more things are connected or in a particular type of association with each other.
They are brothers-in-law.
Sisters: Hera (wife) Demeter Hestia (virgin) Brothers: Hades Poseidon Half brothers include; Chiron Bythos Aphros
It says what relation are your brothers nieces to you.... It could be your child or your niece also causes you can have two brothers and it may be the other ones kids. Or of course it could be your brother's new wife kid by another man making her no relation.
She is your aunt. This is true in most traditions. English does not distinguish between an aunt by marriage (father's brother's wife) or an aunt by blood relation (father's sister).
Uncle if you are male and aunt if you are female.
Mexican or not, your wife's brother is your brother-in-law. His wife is not related to you, although she is your wife'ssister-in-law.
There really is no relation, but if the aunt wants to call that half-brother something, call him a nephew. It's only polite.
sister in law.
Hazrat asma (R A).She was the half sister of his wife (Aisha RA).
they were brothers !!