Jansen Panettiere — an artist, former actor and the brother of actress Hayden Panettiere — handed away over the weekend in New York. He was 28 years old. No trigger of demise has been announced at this time. HOLLYWOOD, CALIFORNIA – JANUARY 31: Hayden Panettiere (L) and Jansen Panettiere arrive at a screening of Freestyle Releasing’s “Sharkwater Extinction” at the ArcLight Hollywood on January 31,…