Jansen Panettiere’s cause of death has been determined.
A statement from the actor’s family confirmed he died from an enlarged heart. “Though it offers little solace, the Medical Examiner reported Jansen’s sudden passing was due to cardiomegaly (enlarged heart), coupled with aortic valve complications,” his family — mother Lesley Vogel, father Alan Lee “Skip” Panettiere Panettiere and sisterHayden Panettiere— said in a statement shared with PEOPLE.
“Jansen’s heart could be seen in his eyes, and his charm in his brilliant, engaging smile; his soul in his masterful and revealing paintings, and the joy of life in his dry wit,” the family continued. “His charisma, warmth, compassion for others, and his creative spirit will live forever in our hearts and in the hearts of all whom he encountered.”
The statement concluded, “We sincerely appreciate the outpouring of love and support towards our family as we navigate this unthinkable loss, and ask that we be gifted our privacy during this time of mourning. We love you so much Jansen and you will be in our hearts forever.”
ABC News was the first to reportthe news.
Amanda Edwards/Getty

The actor, who was the younger brother ofNashvillestar Hayden, was found dead in New York over President’s Day weekend. He was 28.
The report also noted that Jansen’s dad, Skip, had spoken to his son on the phone just the night before, and thought he “sounded okay.”
Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.
In addition to acting, he was also passionate about art. He maintained an Instagram account full of colorful portraits and abstract pieces, transferring some of his designs ontoclothing and footwearfor sale.
source: people.com