Nielsen Hayden genealogy
Descendants of Teresa Eris de Lugo
Father: Ero Fernandes de Lugo ( - Aft 926)
Mother: Elvira
Teresa Eris de Lugo
Gonzalo Betotez ( - Aft 929)
   ├─ Pelayo Gonzalez de Deza ( - Aft 934)
   │ Ermesinda Guterres de Coimbra ( - Aft 934)
   │    └─ Ilduara Pelaez de Deza ( - Aft 964)
   │     Gonçalo Menéndez de Porto (Abt 930 - 997)
   │         + Toda de Coimbra
   └─ Hermenegildis "Menendo" Goncalves de Deza (Abt 890 - Aft 943)
    Mumadona Dias (Abt 900 - Abt 968)
       └─ Gonçalo Menéndez de Porto (Abt 930 - 997)
        Ilduara Pelaez de Deza ( - Aft 964)
           └─ This couple were related to each other. Any descendants have been already been listed