Adam was a real big brother to those kids.
They treat each other like real brothers despite the intense political conflict between their families.
My real brother and I talked awhile longer, but finally we had to get off the phone.
As for my real brother, I cannot embrace him, alas!
We've certainly got more in common than I 'ave with my real brother.
Don't try to con me with that bull about not being real brothers.
Both have publicly admitted they consider each other real brothers and are very close friends.
And if my brother's real, where is he and how do I find him?
"Would you like to see your real brothers and sisters?"
But she'd have been hard-pressed to pick out his real brother.