Descendants of Henry I 'The Fowler', Holy Roman Emperor
(1) Henry I, "The Fowler", Holy Roman Emperor. Son of Otto of Saxony, Duke of Saxony and Hedwige. Married Matilda of Ringelheim, and had daughters Gerburga and Hedwig, and son Henry.

(2) Gurburga, born 919, died May 5th, 984. Daughter of Henry I and Matilda. Married Duke Giselbert of Lorraine, had daughters Alberade de Lorraine and Gerberge
de Lorraine. Married Louis IV of France and had son Charles.

(3) Alberade de Lorraine, daughter of Gurburga and Duke Giselbert of Lorraine. Married Count Renaud Seigniur
de Roucy, had son Gilbert de Roucy.