Instagram/Hayden Panettiere & Janse Celebrity Hayden Panettiere opens up about the heartbreaking loss of her brother Jansen, sharing her grief and his family's touching tribute. May 13, 2026 AceShowbiz - Hayden Panettiere faced immense grief after the heartbreaking loss of her younger brother, Jansen Panettiere, who passed away unexpectedly in February 2023. The news of his sudden death at just 28 years old was met with public attention, leaving the actress from the Scream franchise with little privacy to mourn.