Nielsen Hayden genealogy
Ancestors of Trojden I of Masovia
1286 - 1341 (~ 57 years) ┌── Boleslaw III "Wrymouth", King of Poland (20 Aug 1085 - 28 Oct 1138)(m. 1115) =>
┌── Casimir II (1138 - 5 May 1194)(m. Between 1185 and 1186)
│ └── Salome von Berg-Schelklingen (Bef 1101 - 27 Jul 1144)(m. 1115) =>
│
┌── Konrad I of Masovia (Between 1187 and 1188 - 31 Aug 1247)(m. 1207)
│ │
│ │ ┌── Konrad II von Znaim (m. 1134) =>
│ └── Helene von Znaim ( - Between 1202 and 1206)(m. Between 1185 and 1186)
│ └── Marija of Serbia ( - Aft 1190)(m. 1134) =>
│
┌── Siemowit I of Masovia (Abt 1228 - 23 Jun 1262)(m. Abt 1248)
│ │
│ │ ┌── Igor Svjatoslavitsch (10 Apr 1151 - 1202) =>
│ │ ┌── Svjatoslav Igorjewitsch (Abt 1177 - Sep 1211)(m. Oct 1188)
│ │ │ └── Jewfrosinja Jaroslavna of Halicz =>
│ │ │
│ └── Agafia Svjatoslava of Novgorod ( - Aft 31 Aug 1247)(m. 1207)
│ │
│ │ ┌── Rjurik II Wassilij, Grand Prince of Kiev (Abt 1144 - Abt 1215)(m. Bef 1172) =>
│ └── Jaroslawa Rjurikovna of Kiev (m. Oct 1188)
│ └── Anna Georgiewna ( - Between 1205 and 1214)(m. Bef 1172) =>
│
┌── Boleslaw II of Masovia (Abt 1251 - 20 Apr 1313)(m. 1279)
│ │
│ │ ┌── Mstislaw II Chabry, Grand Prince of Kiev (Abt 1125 - 13 Aug 1172)
│ │ │ (m. Between 1151 and 1152) =>
│ │ ┌── Roman, Grand Prince of Kiev (Aft 1160 - 19 Jun 1205 Zawichost, Poland)(m. Abt 1200)
│ │ │ └── Agnieszka of Poland (1137 - Aft 1182)(m. Between 1151 and 1152) =>
│ │ │
│ │ ┌── Daniil Romanovich, King of Ruthenia (Between 1201 and 1202 - 1264)
│ │ │ └── Anna Komnena (m. Abt 1200)
│ │ │
│ └── Pereslajawa Danilovna of Halicz ( - 12 Apr 1283)(m. Abt 1248)
│ │
│ │ ┌── Mstislaw Rostislavitch (Abt 1150 - 13 Jun 1180) =>
│ │ ┌── Mstislaw Mstislawitsch of Novgorod (Bef 1176 - 1228)
│ │ │ └── (Unknown) of Kiev
│ │ │
│ └── Anna Mstislawna of Novgorod ( - Bef 1252)
│ │
│ │ ┌── Kuthan, Khan of the Cumans ( - 1241 Pest, Hungary)
│ └── (Unknown) of the Cumans
│
Trojden I of Masovia (Between 1284 and 1286 - 13 Mar 1341)
│
│ ┌── Traidenis of Lithuania (Abt 1240 - 1282)
└── Gaudimanté of Lithuania ( - Between 1288 and 1313)(m. 1279)