Hello! 
I need some help identifying my 3 silkies’s genders.
They were 7-8 weeks when I got them, and they are now 10-ish weeks old. They’re all super sweet and friendly, but I’d like to know which genders I have so I can get more girls, if needed, for a proper ratio.
If I need to wait a few more weeks, I can
Color varieties:
Casper is a blue-buff calico (partridge) silkie
Ruby is a blue silkie
Raven is a silver partridge silkie
They’re all bearded, btw
Pictures (I can take more, if needed):

I need some help identifying my 3 silkies’s genders.

If I need to wait a few more weeks, I can

Color varieties:
Casper is a blue-buff calico (partridge) silkie
Ruby is a blue silkie
Raven is a silver partridge silkie
They’re all bearded, btw
Pictures (I can take more, if needed):