Josh and Kyle.
Yes, Nick Jonas has diabetes
They have one younger brother named Frankie who was born septemeber 2000.
Shakira did have 8 half brothers and sisters from her Dad's previous marriage. But one of her half brothers because died in a motorbike accident when she was 2.
They may have half brothers or sisters. In the immediate family, however, it is just them, mum, dad, and step-parents.