Nielsen Hayden genealogy
Descendants of Dirk II von Heinsberg
Abt 1225 - 1268 (~ 43 years)Father: Dietrich I (1192 - 4 Nov 1227)
Mother: Beatrix
Dirk II von Heinsberg (Abt 1225 - 14 Oct 1268 Koln, Germany)
Bertha de Montjoie (Abt 1220 - Bef 12 Jul 1254)(m. Abt 1246)
   └─ Elisabeth van Valkenburg ( - Aft 1277)
    Engelbert I von der Mark (Abt 1215 - 16 Nov 1277 Bredevoort, Gelderland, Netherlands)(m. 1265)
       └─ Mehaut von der Mark ( - Between 17 Apr 1319 and 21 Jul 1319)
        Floris Berthout ( - Between 15 Oct 1331 and 26 Nov 1331)
            + Reinald II of Guelders (Abt 1295 - 12 Oct 1343 Arnheim, Gelderland, Netherlands)(m. 11 Jan 1311)