He was the son of Werner V, Count of the Nahegau, Speyergau, and Wormsgau. His mother Hicha of Swabia, was a daughter of Burchard II, Duke of Swabia and Regelinda of Zürich. In 941, he succeeded his father in his counties and obtained an additional territory, the Niddagau.
In 944 or 945, he was also invested with Lorraine by King Otto I.
He and Liutgard had one son, Otto of Worms, later duke of Swabia and Carinthia. The rebellion was quashed and Conrad was deprived of Lorraine, which was instead granted to Otto"s brother, Bruno I, Archbishop of Cologne. Eventually Conrad and Otto were reconciled.
In 954 Conrad participated in a successful campaign against the Ukrani of the Uckerland.
In 955, Conrad was killed in the Battle of Lechfeld while fighting alongside Otto against the Magyars. According to the chronicler Widukind of Corvey:
Conrad was the great-grandfather of Conrad II, Holy Roman Emperor.
