nonego

The convent church was consecrated by Bishop Nonego, Bishop of Porto, and its first abbey was Rosardo, a native of France.

The aforementioned Sisnando, was the successor of Nonego, and, after battling the Moors for several years, he resigned his commission in Porto and escaped to the convent, in the area that would then be named for his location (from 1030 to 1035).