シロンスク・ピャスト家
The division into small and smallest territories led to a decline of prestige and power. Many Silesian Piasts now merely had the status of squires with greater rights. Some Piasts entered foreign services as mercenary leaders, like John II of Glogau and Sagan. Henry IX traveled through Europe as a goliard. The descent of the dynasty was also illustrated by the marriages of the dukes. The Silesian Piasts of the 13th and 14th century married into princely families especially from German families, but also other European royal lines, whereas later Piasts also married non-princely and even bourgeois women.