The 44-year-old shared a video of his sister in an Instagram post on Monday.
“It’s a sad day. My Twin sister has left me just two days to our birthday. We the Oji family take strength in knowing that she’ll never have to deal with this world’s problems anymore. We know she’s in a better place now,” he wrote.
Faze was a member of the hiphop and R&B music group Plantashun Boiz.
Other members include 2Baba and Blackface.