What a Husband Is to His Spouse's Parents
This page is the CodyCross answer for the clue below from Wild West, Group 434, Puzzle 3 (Colt and Winchester).
Question is: What a Husband Is to His Spouse's Parents
and the answer is: SONINLAW
Word Meaning:
SONINLAW — (rare, nonstandard) Alternative form of son-in-law.
Definitions from Wiktionary.