ENDuring the 1569 Lublin Sejm (when was created Commonwealth / Recz Pospolita) Polish King and Grand Duke of Lithuania Sigismundus Augustus has declared that a part of so-called the “stolowiye” ground possession in the Grand Duchy of Lithuania (the GDL), Podlasie and Volhyn ("imiona stołu króla i wielkiego xiędza należące") is his private property. The declaration was made in two documents. These documents were entered on the Book of Inscriptions 52 of the Metrica of the GDL. In the offered publication is analysed a contents of these documents; is considered their connection with processes of association of Polish Kingdom and the GDL, and also with processes of auditing of ground possession in the GDL, which began in November - December 1569.