What relationship to you is your brother?
He is your siblings ...
What is the relationship name for your mom's brother-in-law's brother-in-law?
There is none, as there is no actual relationship.
What relationship to your brother is your brother's wife's brother-in-law?
You are your brother's wife's brother-in-law, if you are male. But your brother's wife can also have brothers-in-law who are not related to you or to your brother. They would be the husband's of th...
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What relationship is you son's son to your brother?
Your son is your brother's nephew and your brother is his uncle Your son's son (your grandson) is your brother's great nephew, and your brother is his great uncle.
What relationship to you is your wife's brother?
Your wife's brother is your brother-in-law.