10 Things You Didn’t Know About Justin Bieber #3 Posted by Olivia Christensen on August 6, 2013 in 10 Things You Didn't Know About Justin Bieber | 34103 Views | Leave a response #3. He Has A Half Sister, “Jazzy” From His Father, Jeremy Bieber Cute family photo! (image source) His father had a daughter called Jazmyn “Jazzy” Bieber almost five years ago! That makes Justin the cutest older brother ever! Previous Next