Nielsen Hayden genealogy
Descendants of Viola
![Female](img/tng_female.gif)
Viola
( - 7 Sep 1251)
Kasimir I of Oppeln
(Between 1176 and 1179 - 13 May 1230 bur.Abbey of Czarnowasy, Opole, Poland)
(m. Between 1212 and 1220)
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(m. Between 1212 and 1220)
   │    └─ Mieszko I of Silesia
(Between 1252 and 1256 - Between 1313 and 1317)
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   │        └─ Casimir I of Silesia
(Between 1276 and 1280 - Aft 21 Sep 1358 bur.Cieszyn, Silesia, Poland) =>
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   │         + Euphemia of Masovia
(Abt 1310 - Aft 1373 bur.Cieszyn, Silesia, Poland)(m. Between 1321 and 1324)
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           └─ Marija Jurjewma of Halicz
(Bef 1293 - 11 Jan 1341) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
            + Trojden I of Masovia
(Between 1284 and 1286 - 13 Mar 1341)(m. Bef 1310)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)