Nielsen Hayden genealogy

Trojden I of Masovia

Male 1286 - 1341  (~ 57 years)

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Generation: 1

  1. 1.  Trojden I of Masovia was born between 1284 and 1286 (son of Boleslaw II of Masovia and Gaudimanté of Lithuania); died on 13 Mar 1341.


    Duke of Masovia.

    Trojden married Marija Jurjewma of Halicz before 1310. Marija (daughter of Jurij I Lvovitsch, King of Halicz and Euphemia of Kujawien) was born before 1293; died on 11 Jan 1341. [Group Sheet] [Family Chart]

    1. Euphemia of Masovia was born about 1310; died after 1373; was buried in Cieszyn, Silesia, Poland.

Generation: 2

  1. 2.  Boleslaw II of Masovia was born about 1251 (son of Siemowit I of Masovia and Pereslajawa Danilovna of Halicz); died on 20 Apr 1313.


    Duke of Masovia. Duke of Plock.

    Boleslaw married Gaudimanté of Lithuania in 1279. Gaudimanté (daughter of Traidenis of Lithuania) died between 1288 and 1313. [Group Sheet] [Family Chart]

  2. 3.  Gaudimanté of Lithuania (daughter of Traidenis of Lithuania); died between 1288 and 1313.


    Also called Gaudemunda; Sophia.

    1. 1. Trojden I of Masovia was born between 1284 and 1286; died on 13 Mar 1341.

Generation: 3

  1. 4.  Siemowit I of Masovia was born about 1228 (son of Konrad I of Masovia and Agafia Svjatoslava of Novgorod); died on 23 Jun 1262.


    Duke of Masovia.

    Siemowit married Pereslajawa Danilovna of Halicz about 1248. Pereslajawa (daughter of Daniil Romanovich, King of Ruthenia and Anna Mstislawna of Novgorod) died on 12 Apr 1283. [Group Sheet] [Family Chart]

  2. 5.  Pereslajawa Danilovna of Halicz (daughter of Daniil Romanovich, King of Ruthenia and Anna Mstislawna of Novgorod); died on 12 Apr 1283.
    1. 2. Boleslaw II of Masovia was born about 1251; died on 20 Apr 1313.

  3. 6.  Traidenis of Lithuania was born about 1240; died in 1282.


    Also called Troyden; Trojden. Duke of Lithuania.

    From Wikipedia (accessed 3 Aug 2020):

    Traidenis […] was the Grand Duke of Lithuania from 1270 (or 1269) till 1282. He is the second most prominent, after Mindaugas, Grand Duke of Lithuania in the 13th century. His reign ended a seven-year unrest period after Mindaugas was assassinated in 1263, and firmly established the Grand Duchy as a pagan state for another hundred years.

    Traidenis expanded the Grand Duchy into the territories of Sudovians and Semigalians and strengthened its influence in Black Ruthenia. Unlike Mindaugas, Traidenis did not concentrate on expansion into the east.

    The circumstances surrounding Traidenis' advance to power are not clear. While his ancestors are unknown, it is known that he came from Aukštaitija, as he was Duke of Kernav?. From the outset his relationships with Halych-Volhynia were tense as he replaced Shvarn, Duke of Halych-Volhynia and Lithuania. The tension eventually resulted in the 1274–1276 war. Despite Mongol support to Halych-Volhynia, Traidenis was successful in battle and his control over Black Ruthenia (Navahradak, Hrodna, Slonim, and other cities) was strengthened. Traidenis also made incursions into Poland, especially surroundings of Lublin and Leczyca, that continued to about 1306. However, these raids did not affect Masovia as Traidenis established a dynastic link through his daughter Gaudemunda with its dukes. This dynastic relationship was further developed by Gediminas.

    Traidenis, known for his devotion to paganism and anti-German attitude, was also successful in fighting with the Livonian Order. In 1270 he won the Battle of Karuse, fought on ice near Saaremaa, and killed Otto von Lutterberg, master of the Order. A new master, Andreas von Westfalen, sought a quick revenge, but was also killed by Traidenis. However, by 1272 the Order retaliated, attacking Semigalia and building Dinaburg Castle in 1273 on lands nominally controlled by Traidenis. Despite four siege engines used to throw stones, he was unable to capture the new fortress and had to retreat in 1278. In 1279 the order attacked Lithuanian lands, reaching as far as Kernav?, but on their way back they suffered a great defeat in the Battle of Aizkraukle. The Order's master, Ernst von Rassburg, became the third master to be killed by Traidenis. The defeat encouraged conquered Semigallians to rebel. The Semigalians, led by Nameisis, were now willing to acknowledge Lithuania's superiority and asked Traidenis for assistance. In 1281, Traidenis conquered Jersika Castle in the present-day Prei?i District, and was able to exchange it for Dinaburg Castle. However, Traidenis died soon afterwards, and assistance to Semigalians, exhausted by constant warfare, diminished. Traidenis is the first known Lithuanian duke to have died a natural death. All others before him were assassinated or killed in battle.

    1. 3. Gaudimanté of Lithuania died between 1288 and 1313.

Generation: 4

  1. 8.  Konrad I of Masovia was born between 1187 and 1188 (son of Casimir II and Helene von Znaim); died on 31 Aug 1247.


    Duke of Masovia, Kujawien, Sieradz, Leczyca and Krakau.

    Konrad married Agafia Svjatoslava of Novgorod in 1207. Agafia (daughter of Svjatoslav Igorjewitsch and Jaroslawa Rjurikovna of Kiev) died after 31 Aug 1247. [Group Sheet] [Family Chart]

  2. 9.  Agafia Svjatoslava of Novgorod (daughter of Svjatoslav Igorjewitsch and Jaroslawa Rjurikovna of Kiev); died after 31 Aug 1247.


    Also called Agafia of Rus.

    1. Casimir I of Kujawien was born about 1211; died on 14 Nov 1267.
    2. 4. Siemowit I of Masovia was born about 1228; died on 23 Jun 1262.

  3. 10.  Daniil Romanovich, King of Ruthenia was born between 1201 and 1202 (son of Roman, Grand Prince of Kiev and Anna Komnena); died in 1264.


    Also called Danylo Romanovych, Daniel of Galicia. Also styled King of Galicia and Volhynia (Halych-Volynia); King of Halicz, Lodomerien, and Wladimir-Wolhynsk. Called "first King of Ruthenia-Ukraine" in a 2011 resolution of the Ukrainian parliament. Called "King Daniel of Rus" by Giovanni da Pian del Carpine in his Ystoria Mongalorum quos nos Tartaros appellamus (History of Mongols whom we call Tatars). Historical founder of Lviv, which city's airport (Lviv Danylo Halytskyi International Airport) is named after him.

    Daniil married Anna Mstislawna of Novgorod. Anna (daughter of Mstislaw Mstislawitsch of Novgorod and (Unknown) of the Cumans) died before 1252. [Group Sheet] [Family Chart]

  4. 11.  Anna Mstislawna of Novgorod (daughter of Mstislaw Mstislawitsch of Novgorod and (Unknown) of the Cumans); died before 1252.
    1. 5. Pereslajawa Danilovna of Halicz died on 12 Apr 1283.
    2. Leo Danilowitsch, King of Halicz was born about 1228; died in 1301.