Nielsen Hayden genealogy
Descendants of Floris Berthout
- 1331Father: Walter VII Berthout (Abt 1225 - Abt 1286)
Mother: Marie d'Auvergne ( - 19 May 1280)
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)
            + Johann V van Arkel (Bef 11 Sep 1362 chr.Gorinchem, Zuid-Holland, Netherlands -
            Aug 1428 Leerdam, Zuid-Holland, Netherland)(m. 1376)
            Aug 1428 Leerdam, Zuid-Holland, Netherland)(m. 1376)