About 1210 he was appointed master of the Teutonic Order, and was offered, in 1226, the province of Kulm by Conrad I., duke of Masovia, in return for help against the Prussians; this he accepted and obtained the investiture from Frederick.
Tition of By the third treaty of partition Austria had to be Poland, content with Western Galicia and Southern Masovia; 1796.
Prussia took Podlachia, and the rest of Masovia, with Warsaw; and Russia all the rest.
It would be impossible to recapitulate here the great quantity of material in the shape of memoirs which has come down, but mention must be made of those of John Chrysostom Pasek, a nobleman of Masovia, who has left us very graphic accounts of life and society in Poland; after a variety of adventures and many a well-fought battle, he returned to the neighbourhood of Cracow, where he died between 1699 and 1701.
But Masovia to the north, and Great Poland to the north-west, refused to recognize the supremacy of Little Poland, while Silesia soon became completely germanized.