Annotation: The diploma thesis deals with the phenomenon of the portrait family galleries in the Czech Republic. Thanks to using the example of two important collections - Lobkowicz and Kolowrat, it will be shown how the ancestral portrait galleries were created, what was their significance. The thesis will focus on the evaluation of their installation, and their current state will be discussed as well. The thesis will also focus on the manner and form of presentation of individual works of these family galleries and will try to place them in a broader European context. It will be pointed out both to the client of the works, as well as the painters of portraits. The aims of the thesis will also be to evaluate in which spatial contexts the g...