He officially confirmed their family possessions of Lucavăţ, Panka with Mihodra with hereditary rights for their descendants by the document of February 16, 1428.
The church of Lucavăţ became first seat of Bishopric of Rădăuți, with its pastor, by proclamation of Prince Stephen the Great of Moldavia became its first Bishop on March 15, 1490.
Later, during 17th century, brothers Vasile, Nicolae and Constantin Căzăcescul were again officially confirmed ownership of all their expanded possessions by Prince Illias III of Moldavia on March 12, 1667.
He was, as historian Teodor Bălan wrote, the ancestor of the Counts Wassilko von Serecki, who were later one of the largest landowners in Austro-Hungarian Empire, with most of their properties in the Duchy of Bukovina.
[1] Constantin the Căzăcescul, younger brother of the above mentioned Vasile (Basilius) (1631–1701) and Nicolae, got confirmed in 1667 his noble status and his possessions in the Principality of Moldova by ruling Prince Illias III.