Tito Jackson, of the Jackson 5, has died -.

A legend of the music world has sadly passed away – Tito Jackson, brother of Michael Jackson and a founding member of the Jackson 5, has died at the age of 70 from a suspected heart attack.

The Jackson 5 reached No. 1 several times with hit singles such as I Want You Back, ABC and I’ll Be There.

Tito’s musical legacy is survived by his children, with sons TJ, Taj, and Taryll of 3T taking to Instagram to share the following message:

The music world as a whole is mourning the loss, with Tito ‘s former Jackson 5 collaborator and drummer Jonathan “Sugarfoot” Moffett paying multiple tributes via his Facebook.

It’s another huge loss for the music world, but I’m sure Tito’s legacy will live on through his actions and through his family, whom he cherished and loved his entire life (thanks, Billboard).