Nielsen Hayden genealogy
Descendants of Viola
- 1251
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)
(m. Between 1212 and 1220)
   ├─ Wladislaw of Oppeln (Abt 1225 - Abt 27 Aug 1281)
   │ Euphemia of Poland ( - Aft 15 Feb 1281)(m. 1251)
   │    └─ Mieszko I of Silesia (Between 1252 and 1256 - Between 1313 and 1317)
   │     (Unknown wife of Mieszko I of Silesia) ( - Bef 1303)
   │        └─ Casimir I of Silesia (Between 1276 and 1280 - Aft 21 Sep 1358 bur.Cieszyn, Silesia, Poland) =>
   │         + Euphemia of Masovia (Abt 1310 - Aft 1373 bur.Cieszyn, Silesia, Poland)(m. Between 1321 and 1324)
   └─ Euphrosyne of Oppeln (Between 1228 and 1230 - 4 Nov 1292)
    Casimir I of Kujawien (Abt 1211 - 14 Nov 1267)(m. 1257)
       └─ Euphemia of Kujawien ( - 18 Mar 1308)
        Jurij I Lvovitsch, King of Halicz (24 Apr 1252 - 1308)
           └─ Marija Jurjewma of Halicz (Bef 1293 - 11 Jan 1341) =>
            + Trojden I of Masovia (Between 1284 and 1286 - 13 Mar 1341)(m. Bef 1310)