The only son-in-law in the book read the book more carefully gosh. It is easy.
George Wickham
mój ulubiony syn-in-law
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.
The favorite son is a candidate from that state or region. Obama was the favorite son of Illinois.
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 favorite son of Zeus was Heracles.
The favorite daughter of Zeus was Athena. The favorite son of Zeus was Heracles.
The favorite son of Zeus was Heracles, the favorite daughter of Zeus was Athena.
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.
It is written as 'son-in-law.'