• Married: 882
• Died: Jun 885, Rustringen, Friesland, Netherlands

  Research Notes:

He converted to Christianity, and Emperor Charles "le Gros" granted him large parts of Frisia as dux.

The Annales Bertiniani record that "Godefridus, Herioldi Dani filius", who had been baptised at Mainz during the reign of Emperor Louis, defected from Emperor Lothar in 852, raided Frisia, and sailed up the Scheldt and the Seine. The Annales Fuldenses record that "Nordmanni Godafredo duce" sailed up the Seine in 850 and that Charles II "le Chauve" King of the West Franks granted him territory, without specifying where this was. He lost control of Rüstringen in 856. The Annales Bertiniani record that "Roric et Godofridus" returned to Denmark after Emperor Lothaire gave Frisia to his son Lothaire in 855, but recovered most of Frisia at the end of the same year, establishing themselves at Dorestad.

Duke [of Frisia] 882. The Annales Fuldenses names "Nortmannorum…cum ipsis regibus…Sigifredo et Godofrido, principis Vurm, Hals" when recording a Viking attack in 882, in another manuscript recording the baptism of "Gotafridum" and that he was given "comitatus et benefice qua Rorich Nordmannus…in Kinnin [Kennemerland]" held from the Frankish kings. The Annales Vedastini record that "Godefridus…rex" was granted land which "olim Roricus Danus tenuerat" in 882.

The Annales Vedastini record that "Godefridus Danus" was killed in the city of "Gerulfi sui fidelis" by "Heinrico duce" in 885. ¹