Does rob dyrdek have a brother?
No but he has a sister.
Does rob dyrdek have a baby?
No he does not, Big Black has a baby.
Is it true that a brother does not at all have the right to control the life of the other brother?
No one has the right to control the life of another person, with the only execption being a parent over a minor child.
Does the older brother have a right to hit the younger brother?
yes and no it depends what the youngerbrother is doing