Your son's wife's father is your son'sfather-in-law. There is no term in the English language for a familial relationship between you and your son's father-in-law. Put more simply, the two of you are not related.
The English language has no special term describing your relationship to the in-laws of your daughter. You can call them your daughter's father-in-law or mother-in-law if you need to call them other than by their names.
Your daughter in law's father. There's no special word or phrase for it.
I'd use her name. There is no relationship as there is no common ancestor.
I'd call him by his name. There is no relationship. You might introduce him as your son's father-in-law.
Mother
"Jane" or "Ms. Doe"
I would call them my son's in-laws.
I law
biyie
you would just be "in laws"
daughter in law
The correct plural is fathers-in-law .Fathers is the noun, in law the adjective; fathers in law, not father in laws which implies one father, but with multiple relationships.
Father in law.
Father in law
She is the co-mother in law of you and your daughter's father in law is your co father in law. :-)
It's called the daughter-in-law.
The possessive form for the plural noun sons-in-law is sons-in-law's. Example: My sons-in-law's party was a special occasion.
Where English is spoken, the father of your husband is called your father-in-law.
in law sister in law father in law mother in law
The possessive form of the plural noun sons-in-law is sons-in-law's.Example: Both of my sons-in-law's degrees are in the technology field.
Sons-in-law is the plural for son-in-law.