The little brown kid didn't make it.
We had the same problem last time, Patch smothers one of them. It's always difficult when you lose a little one, no matter what the plans for that ones future may be. It is the hardest part of homesteading.
We are taking steps with the white one, and any future kids to prevent her from doing this (purposely or accidentally) again.
Betty should be having her wee ones soon. Or one, I am not sure how many to expect as this is her first birthing. I'm just hoping they are not all boys.