Collin Gosselin issued an emotional message about his fractured relationship with his siblings amid his family's estrangement. Kate and Jon Gosselin's son Collin, 21, recently took to TikTok with a message for his seven siblings. He shared a photo of himself and his brothers and sisters as kids - with twins Mady and Cara, now 24, and his fellow sextuplets, Alexis, Hannah, Aaden, Leah and Joel, also 21, featured in the post. "Born to be a team, us against the world," he wrote. "Forced to do it alone, and wonder every day what our lives could've looked like.