How old is the silkie? I think it may be a male. It's not written in stone, as silkies are very difficult to sex before 4-5 mos. of age and sometimes not till they crow or lay.
Welcome to BYC. Glad you decided join our flock. You have a nice mixed flock and a very colorful egg basket. Red Star is one of a number of labels under which some hatcheries market their Red Sex Links which are laying machines. You should get loads of large, brown eggs from those three girls. Please feel free to ask any questions you may have. We are here to help in any way we can. Good luck with your flock.