There are two that appear to be Cream Legbar pullets, one other "could" be a male legbar, and two have no pattern. I don't pretend to understand the genetics... I "think" the chicks plain chicks could be brown egg layers if they came from a brown egg. Since the rooster is a hybrid, he could...
I found out today that I had viable eggs with my hens and half-legbar rooster! I had a chicken sitter stop by while I was out of town during mid-February. She kept the eggs and put some in an incubator. She sent a message today that 5 chicks hatched from my eggs!