EN
This text concerns the activities of a military architect and engineer in the service of grand crown hetman Adam Mikołaj Sieniawski. Jean-Babtiste Dessieur was initially employed by Sieniawski in 1689 at the family residence at Brzeżany now in the Western Ukraine. The earliest works carried out by Dessieur at Międzybóż, the next were Zinków, Stara Sieniawa, Satanów, Szkłów and Sieniawski’s Warsaw residence.