Nielsen Hayden genealogy
Ancestors of Berchtold II of Swabia and Zähringen
Abt 1036 - 1111 (~ 75 years) ┌── Berthold von Villingen ( - 15 Jul 1024)
┌── Bertold IV and I of Carinthia (Abt 1005 - Abt 5 Nov 1078)(m. Abt 1032)
│ └── (Unknown) von Nellenburg
│
Berchtold II of Swabia and Zähringen (Abt 1036 - 12 Apr 1111)
│
│ ┌── Leopold von Babenberg (Abt 940 - 984)
│ ┌── Ernst of Swabia (Abt 970 - 31 May 1015)
│ │ └── Richardis (Between 945 and 950 - Abt 994)
│ │
│ ┌── Hermann of Swabia (Abt 1007 - 28 Jul 1038 near Milan, Lombardy, Italy)(m. Abt 1036)
│ │ │
│ │ │ ┌── Conrad of Rheingau ( - 20 Aug 997)
│ │ │ ┌── Hermann II of Swabia ( - 4 May 1003)(m. Abt 988)
│ │ └── Gisele of Swabia (11 Nov 995 - 14 Feb 1043 Goslar, Lower Saxony, Germany)
│ │ │
│ │ │ ┌── Conrad I, King of Burgundy ( - 19 Oct 993) =>
│ │ └── Gerberga of Burgundy ( - Aft 1016)(m. Abt 988)
│ │ └── Matilda of the West Franks ( - Abt 981) =>
│ │
└── Richwara of Swabia ( - Bef 1056)(m. Abt 1032)
│
│ ┌── Arduin Glaber ( - Abt 977) =>
│ ┌── Manfred I of Turin ( - Abt 1000)(m. Aft 962)
│ │ └── Vmille
│ │
│ ┌── Olderich II Manfredo (992 - 29 Oct 1034 Turin, Torino, Piedmont, Italy)(m. Bef 1014)
│ │ │
│ │ │ ┌── Adalbert Atto di Canossa (of Canossa, Italy - 13 Feb 988) =>
│ │ └── Prangardia di Canossa (of Canossa, Italy - ??)(m. Aft 962)
│ │ └── Hildegard
│ │
└── Adelaide of Susa (Abt 1015 - 27 Dec 1091 Canischio, Turino, Piedmont, Italy)(m. Abt 1036)
│
│ ┌── Oberto Obizzo I of Este (Abt 920 of Este, Padua, Veneto, Italy - 15 Oct 975)
│ ┌── Oberto Obizzo II of Este (Abt 950 - 1014)
└── Berta of Este ( - 1029)(m. Bef 1014)
└── Railende du Como