Sivan was born on July 12th, 1986. Sivan's father is Rephael OVADIA and his/her mother is Eitana MENTELMECHER. His/her paternal grandfather was Eliyahu OVADIA and his/her paternal grandmother is Rene; his/her maternal grandparents are Shlomo MENTELMECHER and Sarah. He/she has a brother, and also a sibling of unknown gender named Shlomi and Liron. He/she is the second oldest of the three children.