Nielsen Hayden genealogy
Descendants of Luitgard of Luxembourg
- Aft 1005Father: Siegfried of Luxembourg (Between 915 and 920 - Abt 998 bur.Saint-Maximum, Trier, Germany)
Mother: Hedwig (Between 935 and 940 - 13 Dec 992 bur.Saint-Maximum, Trier, Germany)
Luitgard of Luxembourg ( - Aft 1005 bur.Egmond Abbey, Bergen, North Holland)
Arnulf of Ghent (951 Ghent, Flanders - 18 Sep 993 Winkel, West Friesland)(m. May 980)
   └─ Dirk III of Friesland (Between 981 and 989 - 27 May 1039 bur.Egmond Abbey, Bergen, North Holland)
    Othelindis of Nordmark ( - 31 Mar 1044 Saxony)
       └─ Floris I of Holland (Abt 1017 Vlaardingen, Zuid-Holland, Netherlands -
        28 Jun 1061 Gelderland, Netherlands)
        28 Jun 1061 Gelderland, Netherlands)
        Gertrude of Saxony (Abt 1030 - 4 Aug 1113)(m. Abt 1050)
           │ + Othelhildis (m. Bef 26 Jul 1083)
           └─ Bertha of Holland, Queen Consort of France (Abt 1055 -
            30 Jul 1093 Montreuil-sur-Mer, Pas-de-Calais, France) =>
            30 Jul 1093 Montreuil-sur-Mer, Pas-de-Calais, France) =>
            + Philippe I, King of France (Bef 23 May 1053 -
            29 Jul 1108 Château Melun, Seine-et-Marne, Île-de-France, France)(m. 1072)
            29 Jul 1108 Château Melun, Seine-et-Marne, Île-de-France, France)(m. 1072)