Bolko von Hochberg

Bolko IV of Opole

Bolko II of Ziębice

Bolko I the Strict

Bolko II the Small

Bolko III of Ziębice

Bolko II of Opole

Bolko I of Opole

Bolko V the Hussite

Bolko III of Strzelce

Bolko von Richthofen

Bolko Bullerdiek