Nielsen Hayden genealogy
Ancestors of Baldwin I of Flanders, Latin Emperor of Constantinople
1171 - 1205 (~ 33 years) ┌── Baldwin III of Hainaut (1088 - 1120)(m. Abt 1107) =>
┌── Baldwin IV of Hainaut (1110 - 8 Nov 1171)(m. Abt 1130)
│ └── Yolande von Wassenberg (Abt 1090 of Guelders, Netherlands - 1155)(m. Abt 1107) =>
│
┌── Baldwin V of Flanders (1150 - 17 Dec 1195)(m. Apr 1169)
│ │
│ │ ┌── Godfrey of Namur (Between 1067 and 1068 - 19 Aug 1139 Abbey of Floreffe, Belgium) =>
│ └── Alix de Namur ( - Jul 1169)(m. Abt 1130)
│ └── Ermisende of Luxembourg (Abt 1080 - 24 Jun 1141) =>
│
Baldwin I of Flanders, Latin Emperor of Constantinople (Jul 1171 - 11 Jul 1205)
│
│ ┌── Thierri II of Lorraine ( - 1115)(m. Between 1095 and 1096) =>
│ ┌── Thierri III of Lorraine (Abt 1098 - 17 Jan 1168)(m. 1131)
│ │ └── Gertrude of Flanders (Abt 1070 - 1117)(m. Between 1095 and 1096) =>
│ │
└── Marguerite of Lorraine (Between 1140 and 1145 - 12 Nov 1194)(m. Apr 1169)
│
│ ┌── Fulk V, King of Jerusalem (Between 1089-1092 -
│ │ 1142 bur.Church of the Holy Sepulchre, Jerusalem)(m. 1110) =>
│ │ 1142 bur.Church of the Holy Sepulchre, Jerusalem)(m. 1110) =>
└── Sibyl of Anjou (1112 - 1165)(m. 1131)
└── Eremburge de la Flèche ( - 1126)(m. 1110) =>