Nielsen Hayden genealogy
Descendants of Cecilia di Medania
![Female](img/tng_female.gif)
Father: Roberto di Medania
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Cecilia di Medania
   │
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   │        │ + Ruggiero Sanseverino
(Abt 1232 - Between Oct 1285 and Nov 1285)(m. Abt 1250)
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   │        └─ St. Thomas Aquinas
(1226 Roccasecca, Lazio, Italy - 7 Mar 1274 Fossanova, Lazio, Italy)
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Gauthier III de Brienne
(Abt 1165 - Jun 1205 Sarno, Campania, Italy)
        : (m. 1200 Melun, Seine-et-Marne, Île-de-France, France)
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        : (m. 1200 Melun, Seine-et-Marne, Île-de-France, France)
        :   └─ Gauthier IV de Brienne
(1205 - Between 1247 and 1251 Cairo, Egypt) =>
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