Nielsen Hayden genealogy
Descendants of Elena di Busca
Father: Anselmo
Elena di Busca
Boniface I (Abt 1150 - Sep 1207)(m. Bef 1179)
   └─ Guillermo VIII-VI ( - 17 Sep 1225 Halmyros, Greece)
    Berta de Clavesena (m. Bef 9 Aug 1202)
       └─ Boniface II (Abt 1202 - Between 12 Jun 1253 and 10 Dec 1256)
        Margereta of Savoy ( - 1254)(m. 9 Dec 1235)
            + Albrecht I (1236 - 15 Aug 1279)(m. 1 Nov 1266)