Nielsen Hayden genealogy

Konrad I

Male 1245 - 1304  (~ 68 years)


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Generation: 1

  1. 1.  Konrad I was born between 1236 and 1245 (son of Johann I of Brandenburg and Sophie of Denmark); died between 15 Mar 1304 and 21 May 1304.

    Konrad married Konstancja of Poland in 1260. Konstancja (daughter of Przmyslaw I and Elisabeth von Schlesien) was born between 1245 and 1246; died on 10 Oct 1281. [Group Sheet] [Family Chart]

    Children:
    1. Agnes of Brandenburg died on 4 Jun 1330; was buried in St. Nikolai, Zerbst, Saxony-Anhalt, Germany.

Generation: 2

  1. 2.  Johann I of Brandenburg was born in 1213 (son of Albrecht II of Brandenburg and Mathilde von Nieder-Lausitz); died on 4 Apr 1266.

    Johann married Sophie of Denmark in 1236. Sophie (daughter of Valdemar II Sejr, King of Denmark and Berengaria) was born in 1217; died on 2 Nov 1247 in Flensburg, Schleswig-Holstein, Germany. [Group Sheet] [Family Chart]


  2. 3.  Sophie of Denmark was born in 1217 (daughter of Valdemar II Sejr, King of Denmark and Berengaria); died on 2 Nov 1247 in Flensburg, Schleswig-Holstein, Germany.
    Children:
    1. 1. Konrad I was born between 1236 and 1245; died between 15 Mar 1304 and 21 May 1304.


Generation: 3

  1. 4.  Albrecht II of Brandenburg was born about 1177 (son of Otto I of Brandenburg and Adelheid); died on 25 Feb 1220.

    Albrecht married Mathilde von Nieder-Lausitz in Aug 1205. Mathilde (daughter of Konrad von Nieder-Lausitz and Elisabeth of Poland) died in 1255. [Group Sheet] [Family Chart]


  2. 5.  Mathilde von Nieder-Lausitz (daughter of Konrad von Nieder-Lausitz and Elisabeth of Poland); died in 1255.
    Children:
    1. Matilde von Brandenburg was born about 1210; died on 10 Jun 1261.
    2. 2. Johann I of Brandenburg was born in 1213; died on 4 Apr 1266.
    3. Otto III of Brandenburg was born about 1215; died on 9 Oct 1267.

  3. 6.  Valdemar II Sejr, King of Denmark was born on 28 Jun 1170 (son of Valdemar I den Store, King of Denmark and Sofie of Polotsk); died on 28 Mar 1241.

    Valdemar married Berengaria between 1213 and 1214. Berengaria (daughter of Sancho I, King of Portugal and Dulce of Barcelona) was born about 1194 in Coimbra, Portugal; died on 27 Mar 1221 in Ringsted, Zealand, Denmark. [Group Sheet] [Family Chart]


  4. 7.  Berengaria was born about 1194 in Coimbra, Portugal (daughter of Sancho I, King of Portugal and Dulce of Barcelona); died on 27 Mar 1221 in Ringsted, Zealand, Denmark.
    Children:
    1. Erik IV-VI, King of Denmark was born in 1216; died on 10 Aug 1250.
    2. 3. Sophie of Denmark was born in 1217; died on 2 Nov 1247 in Flensburg, Schleswig-Holstein, Germany.
    3. Abel, King of Denmark was born in 1218; died on 29 Jun 1252.
    4. Christoffer I, King of Denmark was born in 1219; died on 29 May 1259 in Ribe, Jutland, Denmark; was buried in Ribe, Jutland, Denmark.


Generation: 4

  1. 8.  Otto I of Brandenburg was born about 21 Jun 1126 (son of Albrecht of Saxony and Sophia von Winzenburg); died on 7 Mar 1184.

    Otto married Adelheid. [Group Sheet] [Family Chart]


  2. 9.  Adelheid
    Children:
    1. 4. Albrecht II of Brandenburg was born about 1177; died on 25 Feb 1220.

  3. 10.  Konrad von Nieder-Lausitz was born about 1156 (son of Dedo V von Nieder-Lausitz and Matilde von Heinsberg); died on 6 May 1210.

    Konrad married Elisabeth of Poland after 29 Jan 1180. Elisabeth (daughter of Mieszko III, High Duke of Poland and Elisabeth of Hungary) died on 2 Apr 1209. [Group Sheet] [Family Chart]


  4. 11.  Elisabeth of Poland (daughter of Mieszko III, High Duke of Poland and Elisabeth of Hungary); died on 2 Apr 1209.
    Children:
    1. 5. Mathilde von Nieder-Lausitz died in 1255.

  5. 12.  Valdemar I den Store, King of Denmark was born on 14 Jan 1131 (son of St. Canute Lavard and Ingeborg of Kiev); died on 12 May 1182 in Vordingborg, Denmark.

    Valdemar married Sofie of Polotsk about Sep 1157. Sofie (daughter of Volodar of Minsk and Richiza of Poland) was born about 1141; died on 5 May 1198. [Group Sheet] [Family Chart]


  6. 13.  Sofie of Polotsk was born about 1141 (daughter of Volodar of Minsk and Richiza of Poland); died on 5 May 1198.
    Children:
    1. Richiza of Denmark died on 8 May 1220; was buried in Ringsted, Zealand, Denmark.
    2. Sophie Valdemarsdatter of Denmark was born in 1159; died in 1208.
    3. 6. Valdemar II Sejr, King of Denmark was born on 28 Jun 1170; died on 28 Mar 1241.
    4. Helene of Denmark was born about 1180; died on 22 Nov 1233.

  7. 14.  Sancho I, King of Portugal was born on 11 Nov 1154 in Coimbra, Portugal (son of Affonso I Henriques, King of Portugal and Mafalda of Savoy); died on 26 Mar 1211 in Coimbra, Portugal; was buried in Santa Cruz de Coimbra, Coimbra, Portugal.

    Sancho married Dulce of Barcelona in 1174. Dulce (daughter of Ramon IV Berengar and Petronila of Aragón, Queen of Aragón) was born about 1159; died on 1 Sep 1198 in Coimbra, Portugal. [Group Sheet] [Family Chart]


  8. 15.  Dulce of Barcelona was born about 1159 (daughter of Ramon IV Berengar and Petronila of Aragón, Queen of Aragón); died on 1 Sep 1198 in Coimbra, Portugal.
    Children:
    1. Afonso II, King of Portugal was born on 23 Apr 1185 in Coimbra, Portugal; died on 25 Mar 1223.
    2. 7. Berengaria was born about 1194 in Coimbra, Portugal; died on 27 Mar 1221 in Ringsted, Zealand, Denmark.