Nielsen Hayden genealogy
Ancestors of Boleslaw
1221 - 1279 (58 years) ┌── Mieszko III, High Duke of Poland (Abt 1126 - 13 Mar 1202) =>
┌── Odon (Between 1141 and 1149 - 20 Apr 1194)(m. Aft 1184)
│ └── Elisabeth of Hungary (Abt 1128 - Bef 1155) =>
│
┌── Wladislaw Odonicz (Abt 1190 - 5 Jun 1239)(m. Between 1218 and 1220)
│ │
│ │ ┌── Jaroslav Vladimirkovitch (Abt 1135 - 1 Oct 1187) =>
│ └── Wjatscheslawa Jaroslawna of Halicz ( - Aft 1200)(m. Aft 1184)
│ └── Olga Georgievna of Suzdal ( - Abt 1185) =>
│
Boleslaw (1221 - 7 Apr 1279)
└── Jadwiga ( - 29 Dec 1249)(m. Between 1218 and 1220)