Nielsen Hayden genealogy
Descendants of Radulf de Nesle
Father: Ives de Nesle
Mother: (Unknown) de Soissons
Radulf de Nesle
   └─ Radulf de Nesle ( - Between 1153 and 1160)
    Gertrude de Montaigu
       └─ Jean I de Nesle ( - Between 14 Jul 1192 and 1200)
        Elisabeth de Peteghem
           ├─ Ade de Nesle ( - Between Dec 1252 and Dec 1254) =>
           │ + Enguerrand II de Coucy (m. Bef 1192)
            + Raoul I de Clermont ( - 30 Mar 1226)