Nielsen Hayden genealogy
Ancestors of Eilika
┌── Hermann I of Werl (Abt 940 - Bef 988)(m. Between 978 and 979)
┌── Hermann II (Abt 980 - 1025)
│ └── Gerberga of Burgundy ( - Aft 1016)(m. Between 978 and 979) =>
│
┌── Bernhard
┌── Konrad von Arnsberg (Abt 1040 - 19 Jul 1092)
┌── Heinrich I ( - Between 1115 and 1118)
│ │
│ │ ┌── Siegfried I von Northeim ( - 1004)
│ │ ┌── Benno von Northeim ( - Between 1047 and 1049)
│ │ │ └── Mathilde
│ │ │
│ │ ┌── Otto I von Northeim (Abt 1025 -
│ │ │ 11 Jan 1083 bur.Nicolai Chapel, Northeim, Lower Saxony, Germany)
│ │ │ 11 Jan 1083 bur.Nicolai Chapel, Northeim, Lower Saxony, Germany)
│ └── Mathilde von Northeim
│ └── Richenza ( - Bef 11 Jan 1083)
│
│
│ ┌── Heinrich
└── Beatrix von Hildrizhausen ( - Between 1115 and 1122)
│
│ ┌── Berthold of Schweinfurt (Abt 920 - 15 Jan 980)
│ ┌── Henry of Schweinfurt (Abt 971 - 18 Sep 1017)
│ │ └── Eilika of Walbeck ( - 19 Aug 1015 Schweinfurt, Bavaria) =>
│ │
│ ┌── Otto of Swabia and Schweinfurt (Abt 1002 - 28 Sep 1057)
│ │ └── Gerberge (Abt 970 - Aft 1036)
│ │
└── Beatrix von Schweinfurt ( - 1104)
│
│ ┌── Manfred I of Turin ( - Abt 1000)(m. Aft 962) =>
│ ┌── Olderich II Manfredo (992 - 29 Oct 1034 Turin, Torino, Piedmont, Italy)(m. Bef 1014)
│ │ └── Prangardia di Canossa (of Canossa, Italy - ??)(m. Aft 962) =>
│ │
└── Irmingard de Susa ( - 28 Jan 1078)
│
│ ┌── Oberto Obizzo II of Este (Abt 950 - 1014) =>
└── Berta of Este ( - 1029)(m. Bef 1014)
└── Railende du Como