Erenfried I

Erenfried I of Maasgau, count of Blies gau, Keldach gau and Bonn gau and count of Charmois (fl. 866–904). He married Adelgunde of Burgundy (860–902), a daughter of Conrad II, Duke of Transjurane Burgundy, Count of Auxerre, and Judith de Frioul. They left issue:

• Eberhard I, Count of Bonngau, count in Zulpichgau and in Keldachgau;

• Hermann I, Archbishop of Cologne from 890 till 924, Chancellor of King Zwentibold of Lorraine

• Ermenfried.