Background
Born on the Leżajka family estate (Polesie, currently Belarus) as the first son of Antoni Stanisław and Joanna Kościa-Zbirohowska, Zenon was educated at Jesuit and Piarist Collegiums and later at the elite Collegium Nobilium in Warsaw.
Born on the Leżajka family estate (Polesie, currently Belarus) as the first son of Antoni Stanisław and Joanna Kościa-Zbirohowska, Zenon was educated at Jesuit and Piarist Collegiums and later at the elite Collegium Nobilium in Warsaw.
In 1781 Zenon became the chamberlain (podkomorzy) of the Brzeskie Voivodeship. He was associated with Adam Kazimierz Czartoryski"s Patriotic Party, a political movement advocating reforms aiming to secure Poland"s independence from Russia. In 1766 Zenon married Honorata Oreszko and received her family"s Pirkowicze estate as a dowry.
He also funded the construction of a unionist church in Pirkowicze, where he was later buried.
In 1750 he returned to Brzeski region to become the secretary of the lesser seal and in 1758 he was nominated as the sword bearer of the Brzeskie Voivodeship, a member of the Head Tribunal and a scribe of the Treasury Tribunal in Minsk. In 1790-1792 Zenon was a member of the Great Sejm for the Brzeskie Voivodeship, the Polish parliament that created the Polish constitution, the second oldest in the World.