Orso+ Orsini 
Orso+ was born about 1135. Orso+'s father is Bobone+ Orsini. His paternal grandfather is Pietro+ Orsini. He was an only child. He died after 1207.General Notes
SOURCES: "Ancestors/Desendants of Romano Orsini" http:/www.geneastar.org.
They had a son named Giangaetano+.