Barisone II was the Judge of Gallura

Giudice of Gallura

The giudici of Gallura were the local rulers of the northeast of Sardinia during the Middle Ages. Theirs was the closest giudicato to Corsica.*Manfred...

 from about 1170 to his death. He was the son of Constantine III

Constantine III of Gallura

Constantine III , possibly a son of Ittocorre, succeeded Comita Spanu as giudice of Gallura in 1146 and reigned until 1161, when he retired from the world as a monk...

. His name appears in acts of 1182 and 1184.

He was married to Elena de Lacon and had a daughter named Elena

Elena of Gallura

Elena was the daughter and successor of Barisone II of Gallura and was named after her mother of the Lacon family. She ruled Gallura from the death of her father until her own death, though she was eclipsed by her husband after 1207....

 who inherited Gallura. Barisone commended his judgeship to Pope Innocent III

Pope Innocent III

Pope Innocent III was Pope from 8 January 1198 until his death. His birth name was Lotario dei Conti di Segni, sometimes anglicised to Lothar of Segni....

 before he died, so as to protect his daughter's inheritance. He was probably looking at Innocent's successin protecting the rights of Constance

Constance of Sicily

Constance of Hauteville was the heiress of the Norman kings of Sicily and the wife of Henry VI, Holy Roman Emperor...

 and Frederick I of Sicily. There was a conflict in Sardinia

Sardinia

Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

following his death in 1203 as various powers sought the marriage of Elena to establish control over Gallura.