Multiple choice general knowledge 4.How many siblings did michael jackson have all together? 9 7 5 8 Reveal answer Fill a bubble to check yourself A Correct answer Explanation Joe and Katherine Jackson had 10 children in total: Rebbie, Jackie, Tito, Jermaine, La Toya, Marlon, Brandon (Marlon's twin who died at birth), Michael, Randy, and Janet. Excluding Michael, he had 9 siblings.