The Shiloh Pepin died at the age of 10. Here is all you want to know, and more!
Biography - A Short Wiki
The subject of several television specials documenting her life with a rare congenital fusion of the lower limbs known as Sirenomelia, or “Mermaid Syndrome,” Pepin sadly passed away at the age of ten from complications of her unique medical condition. She was admired by many for her indomitable spirit.
She was born in Maine to Elmer and Leslie Pepin. Her older sister, Molly, passed away as an infant.