Hello and welcome to BYC, You found an Amazing Poultry Community to be a part of with many great knowledgeable members, who are more then willing to jump in and help you along your journey with any questions you may have.
Hello and welcome to BYC! Glad you joined.
Not a clue who mom is! I have a flock with several half breed members whose father is my SF rooster. I have no idea who their mothers are except one.
Welcome to BYC! I love the backyard mixed chicks because they are all different.
Sometimes I can narrow down the mom, sometimes not. You can eliminating some hens based on comb(not wyandotte), you can get hints from foot pad color and by using the genetic calculator.
She is very pretty.