Collin and sister Hannah live with dad Jon Gosselin, while their sextuplet siblings -- Aaden, Alexis, Leah and Joel -- reside ...

I don’t see them much anymore," the "Jon & Kate Plus 8" alum wrote of her kids. "They come and go and I’m just left behind ...

The rare glimpse into Aaden's life comes weeks after his sister Alexis, also one of the sextuplets, appeared briefly in one ...