Nick and Aaron Carter‘s sister, Bobbie Jean Carter, has died … TMZ has realized.

Bobbie Jean’s mom, Jane Carter, tells us … “I am in shock from learning of the sudden death of my daughter, Bobbie Jean; and I will need time to process the terrible reality of this happening for the third time. When I am able to think clearly, I’ll release a fuller statement; but until then I would request to be left to grieve in private.”

She provides … “[H]owever deeply a parent feels the loss of a child, the suffering of a young child at the loss of a parent must be much greater. So, I would ask the sympathetic to say a prayer for my precious eight year old granddaughter Bella, who previously lost her father and is now also left without her mother.”

The precise circumstances of Bobbie’s demise are unclear, however we all know she handed away Saturday morning in Florida.

Bobbie Jean — in any other case referred to as BJ — was considerably concerned within the household’s music enterprise through the peak of her brothers’ careers … particularly Aaron, for whom she served as a wardrobe stylist and make-up artist throughout his excursions again within the early 2000s.

She additionally appeared on the household’s E! actuality TV present, “House of Carters,” on which she was featured in eight episodes. Within the years since, Bobbie Jean lived a comparatively non-public life in obscurity, shying away from the highlight.

Bobbie Jean suffered from habit and substance abuse through the years … one thing that was documented on TV, and which she continued to battle into her later years of maturity.

She had authorized troubles as nicely, with arrests documented as lately as this 12 months.

BJ’s demise marks yet one more tragedy for the household at massive. Not solely did they lose Aaron final 12 months as a result of a drowning at his residence — which was additionally discovered to have been drug-related — however the Carters also lost their different sister, Leslie, in 2012 … as a result of an overdose.

Now, the one dwelling Carter siblings are Nick and Angel … there are half-siblings and step-siblings within the household as nicely. Bobbie Jean is survived by a younger daughter, Bella.