Nielsen Hayden genealogy
Descendants of Walter VII Berthout
Abt 1225 - Abt 1286 (~ 61 years)Father: Walter VI Berthout (Abt 1200 - 10 Apr 1243)
Mother: Adelive d'Enghien
Walter VII Berthout (Abt 1225 - Abt 1286)
Marie d'Auvergne ( - 19 May 1280)(m. 1238)
   └─ Floris Berthout ( - Between 15 Oct 1331 and 26 Nov 1331)
    Mehaut von der Mark ( - Between 17 Apr 1319 and 21 Jul 1319)
       └─ Sophia Berthout ( - 6 May 1329)
        Reinald II of Guelders (Abt 1295 - 12 Oct 1343 Arnheim, Gelderland, Netherlands)(m. 11 Jan 1311)
           └─ Maria of Guelders (Between 1325 and 1330 - Nov 1397) =>
            + Wilhelm VI-II (1333 - 13 Dec 1393)(m. Aft 25 Dec 1362)