There is no genealogical relationship. He is just your son-in-law's brother.
In relation to yourself, the brother of your maternal parent is known as your maternal uncle.
fourth cousin
3rd cousin I think:-)
Your brother's wife is your children's aunt as long as they are married. If they get divorced, she is no longer any relation to them.
Your granpa's brother's son's son is your 2nd cousin.
No relation
Brother-in-law
brother
Brother in law
Your brother or brother in law
your brother's daughter is you niece
your brother
He's your brother-in-law.
Your niece's brother is your nephew.
No. The sister is a relation, and her husband is an in-law. The husband's brother is no biological relation either. Therefore, the great granddaughter of the husband's brother is not a relation.
brother's daughter relation
They are brothers in law