(NOTE: This Was One Of My Tests ''Test 003'') I Killed My Spouse To See What Happend, Then She Didn't Drop Her Belongings in Her Inventory.

Minecraft v1.7.10
Forge 10.13.2.1291
MCA v5.0.6
RadixCore v2.0.2
Windows

Btw This Villager Was Spawned By Egg and I Married Her. Also i am in Creative Mode!

I Really Enjoy This Mod ;)
-Hernan0708

I have this problem. Unfortunately, my wife was holding our infant, and now I can't even have children with my new wife. So they technically keep their inventory somewhere, just not anyway you can easily access it.