think about it

No

They are a bunch of robo-evan

a minor the age of 5-6 (Elizabeth's age) cannot have babies nor can a 6 foot tall metal robot.

That's not what I mean, the bidybabs are small humanoid animatronics who look like babies, and circus baby is named, well... circus baby and circus baby is usually referred to as "Baby", and since the bidybabs are usually associated with circus baby, that would technically make them, in fact, Baby's babies.

What the Fazbear are you talking about?

I don't even know at this rate...

luckily you knew what I meant

Nope, like minireenas they are paired with an animatronic as a backup dancer/performer or whatever it’s called