Silkies are great broodies and moms. Cochins also, and many banty hens make fierce mothers. :) A lot of the 'fluffy' heavy breeds make good broodies, such as Orpingtons and Brahmas.

The breeds you listed are terrific layers but don't go broody very often. The breeds I mentioned go broody more easily, but may suffer at the beaks and claws of your more aggressive breeds, so be aware that you may have to house your more gentle breeds and their new babies seperately at first.

Velvet ~:>

We've had one Buff Orphington go broody 3 times in her 16 months. But she's not at all agressive and as Velvet said might not do well with agressive breeds. We do have some Red Star layers but they are older and mellower than they used to be. We also had a Speckled Sussex go broody and she is being a great mom.

I have a handfull of blue cochins that live with my laying hens. I have to collect eggs three times a day to keep them from incubating my market eggs.
I also have sex-links and Rhode Islands but they get along great with the cochins. If you want a great combination of broody and production, try a Deleware. They are a really Quiet bird that lays lots of dark brown eggs but will brood if the conditions are right.