Nielsen Hayden genealogy
Ancestors of Albert I
Abt 915 - Aft 987 (~ 72 years)
┌── Pépin, King of Italy 
(Apr 773 chr.Rome - 8 Jul 810 Milan, Lombardy, Italy) =>
(Apr 773 chr.Rome - 8 Jul 810 Milan, Lombardy, Italy) => ┌── Bernard, King of Italy (Abt 797 - 17 Apr 818 Aachen, Westphalia, Germany)(m. Abt 815)
(Abt 797 - 17 Apr 818 Aachen, Westphalia, Germany)(m. Abt 815) │ └── Chrothais
│
┌── Pépin (Between 815 and 818 - Aft 840)
(Between 815 and 818 - Aft 840) │ └── Cunegonde ( - Aft 15 Jun 835)(m. Abt 815)
( - Aft 15 Jun 835)(m. Abt 815) │
┌── Heribert I ( - Between 900 and 907)
( - Between 900 and 907) │ └── (Unknown wife of Pépin)
│
┌── Heribert II (Between 880 and 890 - 23 Feb 943 bur.St. Quentin, Aisne, Picardie, France)
(Between 880 and 890 - 23 Feb 943 bur.St. Quentin, Aisne, Picardie, France) │
Albert I (Abt 915 - Aft 7 Sep 987)
│
│ ┌── Robert ( - Bef 19 Feb 834)
( - Bef 19 Feb 834) │ ┌── Robert "The Strong" ( - 866 Brissarthe, Anjou, France)
( - 866 Brissarthe, Anjou, France) │ │ └── Waldrade ( - Aft 19 Feb 834)
( - Aft 19 Feb 834) │ │
│ ┌── Robert I, King of France ( - 15 Jun 923 Soissons, Aisne, Picardie, France)
( - 15 Jun 923 Soissons, Aisne, Picardie, France) └── (Unknown daughter of Robert I, King of France) ( - Aft 931)
( - Aft 931)