Nielsen Hayden genealogy
Ancestors of Heinrich II of Silesia
1293 - 1342 (~ 53 years) ┌── Henryk II of Silesia (Between 1196 and 1204 - 9 Apr 1241 Legnica, Lower Silesia, Poland)
│ (m. Between 1214 and 1218) =>
┌── Konrad I (Between 1228 and 1231 - Between 18 Apr 1273 and 9 Oct 1274)(m. 1249)
│ └── Anna of Bohemia (Between 1201 and 1204 Prague, Bohemia - 23 Jun 1265)
│ (m. Between 1214 and 1218) =>
│
┌── Henryk I-III von Schliesen (Between 1251 and 1260 - 9 Dec 1309)(m. Bef Apr 1290)
│ │
│ │ ┌── Wladislaw Odonicz (Abt 1190 - 5 Jun 1239)(m. Between 1218 and 1220) =>
│ └── Salomea of Poland (Abt 1225 - Apr 1267)(m. 1249)
│ └── Jadwiga ( - 29 Dec 1249)(m. Between 1218 and 1220)
│
Heinrich II of Silesia (Between 1289 and 1293 - 22 Jan 1342 bur.Zagan, Zagan, Silesia, Poland)
│
│ ┌── Otto I of Brunswick-Lüneburg (1204 - 19 Jun 1252) =>
│ ┌── Albrecht I (1236 - 15 Aug 1279)(m. 1 Nov 1266)
│ │ └── Matilde von Brandenburg (Abt 1210 - 10 Jun 1261) =>
│ │
└── Matilde (1276 - Bef 31 Aug 1318)(m. Bef Apr 1290)
│
│ ┌── Boniface II (Abt 1202 - Between 12 Jun 1253 and 10 Dec 1256)(m. 9 Dec 1235) =>
└── Alessina de Monferrato ( - 5 Feb 1285)(m. 1 Nov 1266)
└── Margereta of Savoy ( - 1254)(m. 9 Dec 1235) =>