answersLogoWhite

0


Best Answer
The plural form of the compound noun mother-in-law is mothers-in-law.
The plural possessive form is mothers-in-law's.

example: Both of our mothers-in-law's nationality is Irish.
User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the plural possessive of mother-in-law?
Write your answer...
Submit
Still have questions?
magnify glass
imp