Pope Blessed Eugene III (died July 8, 1153), born Bernardo da Pisa, was Pope

Pope

The Pope is the Bishop of Rome, a position that makes him the leader of the worldwide Catholic Church . In the Catholic Church, the Pope is regarded as the successor of Saint Peter, the Apostle...

 from 1145 to 1153. He was the first Cistercian to become Pope.
Bernardo was born in Pisa

Pisa

Pisa is a city in Tuscany, Central Italy, on the right bank of the mouth of the River Arno on the Tyrrhenian Sea. It is the capital city of the Province of Pisa...

 but little is known about his origins and family except that he was son of Godius. From the 16th century he is commonly identified as member of the family of Paganelli di Montemagno, which belonged to the Pisan aristocracy, but this is not proven and contradicts the earlier testimonies, which suggest that he was a man of rather humble origins.