Ummmm.. Legally yes, however, morally I don't think it's a great idea. First of all it depends on how long he has been your step brother and what your age is. If you are older ( say 30 or so and up ) then it would be maybe more acceptable.... But if you're young I wouldn't advise this...
They can date as long as they are not related by blood.
It can do nothing!
if you dad or mum are remarried to someone who has a son ,the son is a step brother
he had no step brother only aaron was his brother
"Step-brother" is a noun and does not have an opposite.
He did not have a real step brother. He had a brother called Aaron.
no only a step brother and step sister.
He has a step brother but not a real brother
She has 1 sister, a step-sister, a step-brother, a half-sister and a half-brother
His step brother,Jazon His step sister,Jazmyn
Nero was alleged to have killed his step brother by poison.
He has a step brother and sister