a brother
He has one brother, Greg
Yea, He has an older brother named Greg
a brother
Yes, an older brother named Greg.
Niall has one older brother Greg who is 23.
Niall Horan has one older brother Gregg Horan who is 23.
He has three younger siblings - brother John Arthur and twin sisters Niall and Denise.
He has one brother called greg and it's Niall
He only has one older brother named Greg
Liam has 2 sisters, Harry has 1 sister, Louis has 5 sisters, Zayn has 3 sisters, and Niall has 1 brother.
Niall Horan currently does not have any children.
Yes, Niall and Zayn did.