Nielsen Hayden genealogy
Descendants of Machtild of Boulogne
![Female](img/tng_female.gif)
Father: Mathieu of Flanders
(Abt 1138 - 25 Jul 1173 Driencourt, Somme, Picardy, France)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
Mother: Marie of England
(1136 - 1182 Monastery of Sainte-Austreberthe, Montreuil, France)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
Machtild of Boulogne (Abt 1169 - Between 1210 and 1211 bur.Afflighem Abbey, Brabant, Belgium)
   │    │
Wilhelm IV
(1210 - 16 Mar 1278 Aachen, Westphalia, Germany)(m. Bef 10 Jan 1250)
![Collapse](img/tng_minus.gif)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │
Wilhelm IV
(1210 - 16 Mar 1278 Aachen, Westphalia, Germany)(m. 12 Mar 1237)
![Collapse](img/tng_minus.gif)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │     + Johann von Arberg
( - Bef 28 Jun 1287)(m. Between 1268 and 1270)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │        ├─ Margareta van Gelre
( - Between 1282 and 1287) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │        │ + Dietrich VIII von Kleve
(Between 1256 and 1257 - 4 Oct 1305)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │         + Marguerite van Vlaanderen
( - Abt 1328)(m. 3 Jul 1286 Namur, Wallonia, Belgium)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │    └─ Robert III de Clermont
(Abt 1250 - 7 Mar 1324) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │        └─ Floris Berthout
( - Between 15 Oct 1331 and 26 Nov 1331) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │         + Mehaut von der Mark
( - Between 17 Apr 1319 and 21 Jul 1319)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    ├─ Adelaide of Holland
(Abt 1230 - Between 1 Mar 1284 and 7 Apr 1284)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │
John d'Avesnes
(Apr 1218 Houffalize, Luxembourg (now Belgium) -
   │    │ 24 Dec 1257 Valenciennes, Nord-Pas-de-Calais, France)(m. 9 Oct 1246)
![Collapse](img/tng_minus.gif)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │ 24 Dec 1257 Valenciennes, Nord-Pas-de-Calais, France)(m. 9 Oct 1246)
   │    │    ├─ John II of Hainault
(1247 - 22 Aug 1304 bur.Church of the Franciscans, Valenciennes, Nord-Pas-de-
   │    │    │ Calais, France) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │    │ Calais, France) =>
   │    │    │ + Philippa of Luxembourg
(Abt 1252 -
   │    │    │ 6 Apr 1311 bur.Church of the Franciscans, Valenciennes, Nord-Pas-de-Calais, France)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │    │ 6 Apr 1311 bur.Church of the Franciscans, Valenciennes, Nord-Pas-de-Calais, France)
   │    │    ├─ Jean II d'Avesnes
(1247 - 11 Sep 1304 bur.Valenciennes, Nord-Pas-de-Calais, France) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │    │ + Philippine de Luxemburg
( - 6 Apr 1311 bur.Valenciennes, Nord-Pas-de-Calais, France)
   │    │    │ (m. Between 1265 and 1270)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │    │ (m. Between 1265 and 1270)
   │    │    └─ Guy d'Avesnes, Bishop of Utrecht
(Abt 1253 - 28 May 1317) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │    │     +
   │         + Otto V of Brandenburg
(Abt 1246 - 3 Jul 1299)(m. 22 Oct 1268)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   ├─ Mahaut of Brabant
(Abt 1224 - 29 Sep 1288 bur.Cercamp Abbey, Artois, France)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │
Robert of France
(17 Sep 1216 - 9 Feb 1250 Mansourah, Egypt)(m. 14 Jun 1237)
![Collapse](img/tng_minus.gif)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │ :   ├─ Blanche of Artois
(Abt 1248 - 2 May 1302 Paris, France) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │ :   │ + Enrique I, King of Navarre
( - Abt 22 Jul 1274 Pamplona, Navarre, Spain)(m. 1269)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │ :   │ + Edmund "Crouchback"
(16 Jan 1245 London, England - 5 Jun 1296 Bayonne, Aquitaine, France)
    :   │ :   │ (m. 18 Jan 1276 Paris, France)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │ :   │ (m. 18 Jan 1276 Paris, France)
    :   │ :    + Amicie de Courtenay
(Abt 1250 - 1275 Rome, Italy)(m. 1262)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │    └─ Guy III de Châtillon
(1265 - 6 Apr 1317 bur.Abbey of Cercamp, Artois, France) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   │     + Marie of Brittany
(1268 - 5 Mar 1339 bur.Abbey of Cercamp, Artois, France)(m. 22 Jul 1292)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   └─ Henri III of Brabant
(Abt 1230 - 28 Feb 1261 Leuven, Vlaams-Brabant, Belgium)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :   
Alix of Burgundy
(Abt 1233 - 23 Oct 1273 bur.Church of the Dominicans, Leuven, Vlaams-Brabant, Belgium)
    :    (m. 1251)
![Collapse](img/tng_minus.gif)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :    (m. 1251)
    :       ├─ Jan I of Brabant
(Abt 1252 Brussels, Flanders - 3 May 1294) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :       │ + Margarethe of Flanders
(Abt 1254 - 3 Jul 1285)(m. Abt 5 Sep 1270)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :       ├─ Godfried of Brabant
(Abt 1255 Brussels, Flanders - 11 Jul 1302 Kortrijk, Flanders) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :       │ + Jeanne de Vierzon et Berry
( - Bef 22 Apr 1296)(m. 1280)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :       └─ Marie of Brabant, Queen Consort of France
(Abt 1256 Leuven, Vlaams-Brabant, Flanders -
    :        12 Jan 1322 Les Mureaux, Yvelines, Île-de-France, France) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :        12 Jan 1322 Les Mureaux, Yvelines, Île-de-France, France) =>
    :        + Philippe III, King of France
(1 May 1245 Poissy, Yvelines, Île-de-France, France -
    :        5 Oct 1285 Perpignan, Pyrénées-Or, France)(m. 21 Aug 1274)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
    :        5 Oct 1285 Perpignan, Pyrénées-Or, France)(m. 21 Aug 1274)
           ├─ Sophia of Hesse
( - Between 12 Aug 1331 and 18 Jun 1340) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
           │ + Otto I of Waldeck
( - 11 Nov 1305)(m. Bef 24 Nov 1276)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
           ├─ Adelheid of Hesse
(Abt 1268 - 7 Dec 1317 bur.Kloster Veßra, Thuringia, Germany) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
           │ + Berthold VI of Henneberg
(Between 1271 and 1272 - 3 Apr 1340 Schmalkalden, Thuringia, Germany)
           │ (m. 1284)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
           │ (m. 1284)
            + Adelheid von Ravensberg
( - Aft 13 Apr 1338)(m. 1297)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)