Nielsen Hayden genealogy
Ancestors of Floris IV of Holland
1210 - 1234 (24 years)
┌── Dirk V of Holland 
(Abt 1053 - 17 Jan 1091)(m. Bef 26 Jul 1083) =>
(Abt 1053 - 17 Jan 1091)(m. Bef 26 Jul 1083) => ┌── Floris II "the Fat" of Holland ( - 2 Mar 1121)
( - 2 Mar 1121) │ └── Othelhildis (m. Bef 26 Jul 1083)
(m. Bef 26 Jul 1083) │
┌── Dirk VI of Holland (Abt 1114 - 5 Aug 1157)
(Abt 1114 - 5 Aug 1157) │ │
│ │ ┌── Thierri II of Lorraine ( - 1115) =>
( - 1115) => │ └── Petronella de Lorraine ( - 24 May 1144)
( - 24 May 1144) │ └── Hedwig of Formbach ( - Between 1085 and 1090) =>
( - Between 1085 and 1090) => │
┌── Floris III of Holland (Abt 1140 - 1 Aug 1190 Antioch, Anatolia)(m. 1162)
(Abt 1140 - 1 Aug 1190 Antioch, Anatolia)(m. 1162) │ │
│ │ ┌── Hermann of Salm, Emperor-Elect (Abt 1035 -
│ │ │ 28 Sep 1088 Metz, Moselle, Lorraine, France) =>
(Abt 1035 -│ │ │ 28 Sep 1088 Metz, Moselle, Lorraine, France) =>
│ │ ┌── Otto I von Rheinick (Abt 1058 - 1150)
(Abt 1058 - 1150) │ │ │ └── Sophie
│ │ │
│ └── Sophia von Rheinick ( - 26 Sep 1176)
( - 26 Sep 1176) │ │
│ │ ┌── Heinrich von Northeim (Abt 1051 - Bef 10 Apr 1101) =>
(Abt 1051 - Bef 10 Apr 1101) => │ └── Gertrude von Northeim ( - Bef 1165)
( - Bef 1165) │ └── Gertrude von Meissen (Abt 1060 - 9 Dec 1117) =>
(Abt 1060 - 9 Dec 1117) => │
┌── Willem I of Holland (Abt 1170 - 4 Feb 1222)
(Abt 1170 - 4 Feb 1222) │ │
│ │ ┌── Malcolm III Canmore, King of Scotland (Alba) (Between 1030 and 1035 - 13 Nov 1093
│ │ │ Alnwick, Northumberland, England)(m. Between 1068 and 1069 Dunfermline, Fife,
│ │ │ Scotland) =>
(Between 1030 and 1035 - 13 Nov 1093 │ │ │ Alnwick, Northumberland, England)(m. Between 1068 and 1069 Dunfermline, Fife,
│ │ │ Scotland) =>
│ │ ┌── David I, King of Scotland (Abt 1080 - 24 May 1153 Carlisle, Cumberland, England)
(Abt 1080 - 24 May 1153 Carlisle, Cumberland, England) │ │ │ (m. Bef Jul 1113)
│ │ │ └── St. Margaret of Scotland (Abt 1050 - 16 Nov 1093 Edinburgh Castle, Edinburgh,
│ │ │ Midlothian, Scotland)(m. Between 1068 and 1069 Dunfermline, Fife, Scotland) =>
(Abt 1050 - 16 Nov 1093 Edinburgh Castle, Edinburgh, │ │ │ Midlothian, Scotland)(m. Between 1068 and 1069 Dunfermline, Fife, Scotland) =>
│ │ │
│ │ ┌── Henry of Scotland (Abt 1114 - 12 Jun 1152 bur.Kelso Abbey, Roxburghshire, Scotland)
(Abt 1114 - 12 Jun 1152 bur.Kelso Abbey, Roxburghshire, Scotland) │ │ │ (m. Aft 9 Apr 1139)
│ │ │ │
│ │ │ │ ┌── Waltheof (1027 of Potton, Bedfordshire, England -
│ │ │ │ │ 31 May 1076 Winchester, Hampshire, England)(m. Aft Jan 1070) =>
(1027 of Potton, Bedfordshire, England -│ │ │ │ │ 31 May 1076 Winchester, Hampshire, England)(m. Aft Jan 1070) =>
│ │ │ └── Maud of Northumberland (Abt 1072 -
│ │ │ Between 1130 and 1131 bur.Scone, Perthshire, Scotland)(m. Bef Jul 1113)
(Abt 1072 -│ │ │ Between 1130 and 1131 bur.Scone, Perthshire, Scotland)(m. Bef Jul 1113)
│ │ │ └── Judith of Lens (Abt 1054 - Aft 1086)(m. Aft Jan 1070) =>
(Abt 1054 - Aft 1086)(m. Aft Jan 1070) => │ │ │
│ └── Aleida of Scotland ( - Aft 11 Jan 1204)(m. 1162)
( - Aft 11 Jan 1204)(m. 1162) │ │
│ │ ┌── William de Warenne ( - 24 Jun 1088 Lewes, Sussex, England)(m. Bef 1070) =>
( - 24 Jun 1088 Lewes, Sussex, England)(m. Bef 1070) => │ │ ┌── William II de Warenne (Abt 1071 - 11 May 1138 bur.Lewes Priory, Sussex, England)
(Abt 1071 - 11 May 1138 bur.Lewes Priory, Sussex, England) │ │ │ (m. Aft 5 Jun 1118)
│ │ │ └── Gundred of Flanders (Flanders - 27 May 1085 Castle Acre, Norfolk, England)
(Flanders - 27 May 1085 Castle Acre, Norfolk, England) │ │ │ (m. Bef 1070)
│ │ │
│ └── Ada de Warenne ( - 1178)(m. Aft 9 Apr 1139)
( - 1178)(m. Aft 9 Apr 1139) │ │
│ │ ┌── Hugues le Grand (Abt 1057 - 18 Oct 1101 Tarsus, Cilicia)(m. Abt 1080) =>
(Abt 1057 - 18 Oct 1101 Tarsus, Cilicia)(m. Abt 1080) => │ └── Isabel de Vermandois ( - Bef Jun 1147)(m. Aft 5 Jun 1118)
( - Bef Jun 1147)(m. Aft 5 Jun 1118) │ └── Adèle de Vermandois ( - 1120 bur.Vermandois, Aisne, Picardy, France)
( - 1120 bur.Vermandois, Aisne, Picardy, France) │ (m. Abt 1080) =>
│
Floris IV of Holland (24 Jun 1210 - 19 Jul 1234)
│
│ ┌── Gerhard I von Wassenberg (Abt 1060 of Wassenberg, North Rhine-Westphalia, Germany -
│ │ Bef 1138)
(Abt 1060 of Wassenberg, North Rhine-Westphalia, Germany -│ │ Bef 1138)
│ ┌── Gerhard von Wassenberg (Abt 1098 - ??)
(Abt 1098 - ??) │ ┌── Hendrik van Gelre (Abt 1117 - Between 27 May 1182 and 10 Sep 1182)(m. Abt 1135)
(Abt 1117 - Between 27 May 1182 and 10 Sep 1182)(m. Abt 1135) │ │ │
│ │ │ ┌── Otto II van Zutphen (Abt 1050 - 1113) =>
(Abt 1050 - 1113) => │ │ └── Ermgard van Zutphen (Abt 1090 - Bef 1134)
(Abt 1090 - Bef 1134) │ │ └── Judith ( - Abt 1118)
( - Abt 1118) │ │
│ ┌── Otto I van Gelre (Abt 1150 - Aft 30 Apr 1207)
(Abt 1150 - Aft 30 Apr 1207) │ │ │
│ │ │ ┌── Ludwig I von Arnstein ( - Aft 1067)
( - Aft 1067) │ │ │ ┌── Ludwig II von Arnstein ( - Aft 1100)
( - Aft 1100) │ │ └── Agnes von Arnstein ( - Bef 1179)(m. Abt 1135)
( - Bef 1179)(m. Abt 1135) │ │ └── Udelhild von Odenkirchen (Abt 1100 - 5 Jul 1158)
(Abt 1100 - 5 Jul 1158) │ │
└── Aleida van Gelre (Abt 1187 - 4 Feb 1218)
(Abt 1187 - 4 Feb 1218) │
│ ┌── Otto II of Bavaria (Between 1083 and 1084 - 4 Mar 1156)
(Between 1083 and 1084 - 4 Mar 1156) │ │ └── (Unknown) von Ratzenhofen =>
=> │ │
│ ┌── Otto I of Bavaria (Abt 1117 - 11 Jul 1183)
(Abt 1117 - 11 Jul 1183) │ │ │
│ │ │ ┌── Freidrich III von Pettendorf ( - 3 Apr 1119) =>
( - 3 Apr 1119) => │ │ └── Heilika von Lengenfeld ( - 14 Sep 1170)
( - 14 Sep 1170) │ │ └── Heilika of Swabia (1087 - Aft 1110) =>
(1087 - Aft 1110) => │ │
└── Richardis von Scheyern-Wittelsbach (Abt 1173 - 7 Dec 1231)
(Abt 1173 - 7 Dec 1231) │
│ ┌── Arnold I of Looz ( - 1135) =>
( - 1135) => │ ┌── Ludwig I of Looz ( - 11 Aug 1171)
( - 11 Aug 1171) │ │ └── Agnes von Mainz =>
=> │ │
└── Agnes von Looz (Abt 1150 - 1192)
(Abt 1150 - 1192) │
│ ┌── Folmar of Metz ( - 1142) =>
( - 1142) => └── Agnes von Metz
└── Mechtilde von Dagsburg ( - Aft 1157) =>
( - Aft 1157) =>