Nielsen Hayden genealogy
Bertha de Montjoie

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- 1 Bertha de Montjoie [1] b. Abt 1220 d. Bef 12 Jul 1254
Dirk II von Heinsberg b. Abt 1225 d. 14 Oct 1268
- 2 Elisabeth van Valkenburg [1.1]
d. Aft 1277
Engelbert I von der Mark b. Abt 1215 d. 16 Nov 1277
- 3 Mehaut von der Mark [1.1.1]
d. Between 17 Apr 1319 and 21 Jul 1319
Floris Berthout d. Between 15 Oct 1331 and 26 Nov 1331
- 4 Sophia Berthout [1.1.1.1]
d. 6 May 1329
Reinald II of Guelders b. Abt 1295 d. 12 Oct 1343
- 5 Maria of Guelders [1.1.1.1.1]
b. Between 1325 and 1330 d. Nov 1397
Wilhelm VI-II b. 1333 d. 13 Dec 1393
- 6 Johanna of Jülich [1.1.1.1.1.1]
Johann V van Arkel b. Bef 11 Sep 1362 d. Aug 1428
- 7 Maria van Arkel [1.1.1.1.1.1.1]
d. 19 Jul 1415
Jan II b. Abt 1385 d. 4 Jan 1451
- 8 Arnold van Egmond [1.1.1.1.1.1.1.1]
b. Aft 17 Jul 1410 d. 23 Feb 1473 [ =>]
- 8 Arnold van Egmond [1.1.1.1.1.1.1.1]
- 7 Maria van Arkel [1.1.1.1.1.1.1]
- 6 Johanna of Jülich [1.1.1.1.1.1]
- 5 Maria of Guelders [1.1.1.1.1]
- 4 Sophia Berthout [1.1.1.1]
- 3 Mehaut von der Mark [1.1.1]
- 2 Elisabeth van Valkenburg [1.1]