Justin Biebers grandfather is currently 74 years old.
Justin biebers grandad is 77 and his granmum is 61
65
73
no,not really;cause some says that he's catholic.May be his grandfather be Jewish
15
16
He dusnt have one
14 years old
Justin Biebers little sister is 3 years old!!
Justin's mom (Patricia Mallette) was 18 years old when she had Justin.
shes 4
her exact age is 98