The Blue Palace, on 37 Senatorska Street, was owned by the Zamoyski Family Fee Tail, the estate of the richest noble family in Poland. Influential in politics and culture for several centuries, the Zamoyski family once had the largest estate in the Second Polish Republic. By the outbreak of World War II, its area covered 56,199 hectares, with brickyards, sawmills, a brewery, and a sugar refinery. The family also had a number of historic properties in Warsaw. The Blue Palace, named for the color of its roof, was also home…