If person married to your brother is a woman? She is your Sister-in-Law.
Brother related through only one parent
Yes
Friends
She will be referred to as the sister of someone's brother-in-law.
If they were to get married then she would be your sister-in-law.
carer
Your brother or sister.
Your uncle. If the guy she married is not your biological father, then his brother is your Step-uncle
Sane.
If you got pregnant with you ex and then married his brother, then you kid will should call your husband dad even though he is no the real father.
It doesn't matter if you like him or not, he's MARRIED.
Your husband would call her Niam Tij, so if she married the older brother, you can just called her Niam Laus.
No you cannot get legally married to someone who does not exists.