Hi, we recently got into having backyard chickens. We have 5 RIR, 1 Leghorn, 1 Black Copper Maran, 2 Leghorn/RIR cross and just got my Buff Orpington Rooster. I would like to add some Coachen, Brahma, and EEs. What can I breed with him to get ER that have white with lavender spots or white...