Nielsen Hayden genealogy
Ancestors of Waclaw of Masovia
Abt 1293 - 1336 (~ 43 years) ┌── Konrad I of Masovia (Between 1187 and 1188 - 31 Aug 1247)(m. 1207) =>
┌── Siemowit I of Masovia (Abt 1228 - 23 Jun 1262)(m. Abt 1248)
│ └── Agafia Svjatoslava of Novgorod ( - Aft 31 Aug 1247)(m. 1207) =>
│
┌── Boleslaw II of Masovia (Abt 1251 - 20 Apr 1313)(m. 1291)
│ │
│ │ ┌── Daniil Romanovich, King of Ruthenia (Between 1201 and 1202 - 1264) =>
│ └── Pereslajawa Danilovna of Halicz ( - 12 Apr 1283)(m. Abt 1248)
│ └── Anna Mstislawna of Novgorod ( - Bef 1252) =>
│
Waclaw of Masovia (Abt 1293 - 23 May 1336)
│
│ ┌── Wenceslas I, King of Bohemia (1205 - 22 Sep 1253)(m. 1224) =>
│ ┌── Przemysl Ottokar II, King of Bohemia (Abt 1230 - 26 Aug 1278)(m. 25 Oct 1261 Bratislava, Slovakia)
│ │ └── Kunigunde von Hohenstaufen (Between Jan 1202 and Mar 1202 -
│ │ 13 Sep 1248 bur.St. Veit, Prague, Bohemia)(m. 1224) =>
│ │ 13 Sep 1248 bur.St. Veit, Prague, Bohemia)(m. 1224) =>
│ │
└── Kunigunde of Bohemia (Jan 1265 - 27 Nov 1321)(m. 1291)
│
│ ┌── Rosztiszlo, King of Bulgaria; Grand Duke of Kiev (Between 1212 and 1225 - Abt 1264)
│ │ (m. 1244) =>
└── Kunhata of Slavonia and Machva (Abt 1245 - 9 Sep 1285)(m. 25 Oct 1261 Bratislava, Slovakia)
└── Anna of Hungary (Abt 1226 - ??)(m. 1244) =>