Yeah, he has seven, which are the Koopalings from Super Mario Bros. 3.
No.
no
yes
It has never been revealed if Alan Ball Jr had any siblings. Researching online it hasn't been confirmed either which way.
earvin johnson jr. had 7 siblings
He has a brother Brent, and a half-sister McKenna.
yes he has a brother named javi. i don't know if he has any more
Yes she does his name is bailey Johnson aka bailey jr.
Yes, he has four younger siblings; Samuel Jr, Helen, Luther and Alfred.
yes, one brother in san antonio,texas, richard
She has two older sisters (Virginia and Dottie) and an older brother (Richard Jr).
yes