rebbiejacksonpic230crop.jpgRebbie Jackson's husband, Nathaniel Brown, has passed away after a long battle with cancer.

Michael Jackson's eldest sister and her late husband, who passed on Sunday, were childhood sweethearts and tied the knot back in 1968.

The two had three children together ... Stacee, 40, Yashi, 35 and Austin, 27.

Austin posted the following on Twitter:

    "Thank you all for the amazing love you have been giving me and my family.”