Nielsen Hayden genealogy
Konrad I of Masovia

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Name Konrad I of Masovia Born Between 1187 and 1188 [1] Gender Male Died 31 Aug 1247 [1] Person ID I29055 Ancestry of PNH, TNH, and others | Ancestor of TWK Last Modified 26 Jul 2020
Father Casimir II, b. 1138, d. 5 May 1194 (Age 56 years) Mother Helene von Znaim, d. Between 1202 and 1206 Married Between 1185 and 1186 [1] Family ID F17328 Group Sheet | Family Chart
Family Agafia Svjatoslava of Novgorod, d. Aft 31 Aug 1247 Married 1207 [1] Children + 1. Casimir I of Kujawien, b. Abt 1211, d. 14 Nov 1267 (Age ~ 56 years) + 2. Siemowit I of Masovia, b. Abt 1228, d. 23 Jun 1262 (Age ~ 34 years) Last Modified 3 Aug 2020 Family ID F17327 Group Sheet | Family Chart
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Notes - Duke of Masovia, Kujawien, Sieradz, Leczyca and Krakau.
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Sources - [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.