Has a son named Zion, born on March 28th 2003, from her first marriage to Álvaro Jacomossi. Zion was born in New York. She has two brothers: Harrison and Heric. Second Son, Lucas Castelli [b. 23 October 2006] in São Paulo, Brazil. Father is husband Henri Castelli. Parents: Maribel Bergossi and Antônio Carlos Fontana. In 1996, Isabeli was one of the finalists in an Elite Model Look Contest in São Paulo, Brazil. At the age of 14 moved from Brazil to Milan to start her modeling career. Her ex-husband, Álvaro Jacomossi, is also a model.
