People.com Celebrity Parents Chris Hemsworth Shares Son's Sweet Creative Writing Project: 'My Special Friend Is Dad' The Marvel star shares 6-year-old twin sons Tristan and Sasha, as well as 8-year-old daughter India, with wife Elsa Pataky By People Staff Published on February 24, 2021 11:49 PM Share Tweet Pin Email Tristan's note. Photo: Chris Hemsworth/instagram Chris Hemsworth's son Tristan is a young author in the making — and his latest piece was dedicated to his super hero dad. The Thor star, 37, shared a photo of his son's latest creative writing project on Instagram Wednesday. "My special friend is dad, together we go in the pool, together they make me feel happy," the 6-year-old wrote. His teacher had added an approving mark, writing, "well done Tristan." Hemsworth rewrote the note in the Instagram post's caption, adding, "❤️😭" Chris Hemsworth and Elsa Pataky Celebrate 10-Year Anniversary with Romantic Throwback The Marvel star shares Tristan, his twin Sasha, and daughter India, 8, with wife Elsa Pataky. The couple celebrated 10 years together in December, both sharing throwback photos on Instagram. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. "10 years together! Looking forward to the advancements of modern medicine and science and enjoying a couple hundred more!😘😘❤️❤️😘😘" Hemsworth wrote in a sweet tribute to his wife. Elsa Pataky Says Relationship with Husband Chris Hemsworth Isn't 'Perfect': 'We Still Keep Working' "Going through ten years of photographs was almost as fun as the real thing!" Pataky, 44, wrote in her own post. "Here's to many more years of wonderful times, love you always and forever @chrishemsworth"