Descendancy for Bertha de Montjoie: NH genealogy

Nielsen Hayden genealogy

Abt 1220 - Bef 1254 (~ 34 years)

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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 [ =>]