Those are Araucana over RSL, and are in the mix, yes, though this year's Marans x are more dual purpose type, and two have rose. Ideally I want the crest and beard, but to tame down the amount of blues and greens I'm getting; more of those than brown at the moment!
They'll be red sex links, red hens and silver/gold split Cockerels.
Sounds good to me! I'm working on something similar; lots of frostbite last year so need those tight combs, and a nice dual purpose type is perfect for a farm bird.
With your silvers he ought to produce sex linked offspring.
With BLRW he will produce half blue half splash.
Sounds like a good cross; nice small combs for the winters, but may be tricky to identify who will lay blue/green as the pea comb, which is linked to the gene, may be hidden by the...