No. Your son-in-law's brother may be a son-in-law if he is married, but he is not your son-in-law.
No, your son-in-law is married to your daughter and his brother is not your son-in-law, but simply your son-in-law's brother or your daughter's brother-in-law.
If your sister-in-law is the wife of your brother, she is the mother of your brother's son. Her son-in-law would then be the brother-in-law of your brother's son. If your sister-in-law is your spouse's sister, her son-in-law is not related to you or to your brother's son.
The girl's father-in-law is the father of her spouse, while her spouse's father-in-law is the father of her spouse's spouse. Therefore, the girls's father-in-law is also the son of the boy's father-in-law.
Your son-in-law's brother's son is not related to you, but is your daughter's nephew.
No. A son-in-law is a contemporary.
It is written as 'son-in-law.'
You say "A hyphen" because the sound of the letter "H" at the beginning of the word "hyphen" is pronounced, making it a consonant sound.
The singular possessive form of "son-in-law" is "son-in-law's."
The possessive form of the compound noun son-in-law is son-in-law's.Example: My son-in-law's name is James.
Sons-in-law is the plural for son-in-law.
The father of a son-in-law is typically referred to as the father-in-law.