rebbie jackson*Rebbie Jackson-Brown, the Jackson sister almost no one really ever talks about, is in mourning after her husband passed away over the weekend.

Nathaniel Brown and Rebbie jumped the broom in 1968 and later had three children together.

nathaniel brownAccording to reports, Brown lost a long battle against cancer.

His son, Austin (27), expressed his gratitude to fans and friends via Twitter, thanking everyone for their love and support toward him and his family.