bantam roos vs orpington roo

I presently have 13 hens (regular size) and 2 bantam roosters. The 2 roos get along as long as they stay apart. I have a big enough place that they can. They were chic mates but in the chicken/roo world that doesn't mean anything. Next weekend I will be adding 3 more hens, and then in 2.5...