Konrad II of Masovia was born in 1250.
Konrad II of Masovia died in 1294.
Siemowit II of Masovia was born in 1283.
Bolesław II of Masovia died in 1313.
Siemowit II of Masovia died in 1345.
Boleslaw II of Masovia (the Duke of Masovia)
Stanislaus I of Masovia was born in 1500.
Cymburgis of Masovia was born in 1394.
Euphrosyne of Masovia was born in 1292.
Bolesław I of Masovia was born in 1208.
Janusz III of Masovia was born in 1502.
Siemowit V of Masovia was born in 1389.
Konrad II the Hunchback died in 1304.