No.
"Half" in this case means you share one parent, but it can be either one.
If your father has a son with another woman - then he's your half brother. If your mother has a son with another man, then he's your half brother too.
If you have to, add "paternal" for half siblings on your father's side and "maternal" for half siblings on your mother's side.
Your mother.
A half brother shares only one parent with you; where as a whole brother has the same mother and father as you.
only in Arkansas
No, he was an only child.
Sid is Tom's brother, but they are only half-brothers.
yes! he has a half brother and a half sister though
no. only a half-sister.
No. Only two half-sisters.
No Justin Bieber has half brother name Jaxon and a half sister Jazmyn (Jazzy) those are his only siblings
because
he has only mentioned having a half sister that's two
Mr. Obama does not have a brother. He only has a half-sister, Maya, who is from his mother's second marriage.