[4] He was the brother of Adalberon, Archbishop of Reims, who crowned Hugh Capet the king of France.

Charles, Duke of Lower Lorraine, was a supporter of Reginar and defeated Godfrey and Arnold at Mons in 976, where the former was captured.

After his release, he was at the side of the Emperor Otto II fighting Lothair of France at Verdun in 985, but he was again taken captive, along with his son Frederick, and held several years.

Godfrey continued to be an enemy of Charles of Lower Lorraine, Hugh's Carolingian rival.

In 963, he married Matilda, daughter of Herman, Duke of Saxony, of the Billung family, a widow of Baldwin III of Flanders.