Nielsen Hayden genealogy
Descendants of Henry of Speyer
Abt 968 - 989 (~ 21 years)Father: Otto of Worms (Abt 947 - 4 Nov 1004)
Mother: Judith ( - 991)
Henry of Speyer (Abt 968 - 989 bur.Worms Cathedral, Worms, Germany)
   └─ Conrad II "The Salic", Holy Roman Emperor ( - 4 Jun 1039 Utrecht, Netherlands)
    Gisele of Swabia (11 Nov 995 - 14 Feb 1043 Goslar, Lower Saxony, Germany)(m. Bef Feb 1016)
       └─ Heinrich III, Holy Roman Emperor (28 Oct 1016 - 5 Oct 1056 Bodfeld, Harz, Germany)
        + Gunhilda of Denmark (Abt 1020 - 18 Jul 1038 bur.Limburg Abbey, Bad Dürkheim, Rhineland-Palatinate,
        : Germany)(m. 1036 Nijmegen, Netherlands)
        : Germany)(m. 1036 Nijmegen, Netherlands)
        Agnes of Poitou (Abt 1025 - 14 Dec 1077 Rome)(m. 21 Nov 1043)
           │ + Rudolf von Rheinfelden (Abt 1025 - 15 Oct 1080 Merseburg, Saxony)
           └─ Heinrich IV, Holy Roman Emperor (11 Nov 1050 Goslar, Lower Saxony, Germany -
            7 Aug 1106 Liège, Belgium) =>
            7 Aug 1106 Liège, Belgium) =>
            + Bertha of Turin (1051 - 27 Dec 1087 Mainz, Hessen, Germany)(m. 13 Jul 1066)