High Quality Content by WIKIPEDIA articles! Rafa Leszczy ski (1526 1592), of Wieniawa coat of arms, was a voivode of the Brze Kujawski Voivodeship from 1545 to 1550, castellan of rem in 1580, starost of Radziejów, sejm marshal, one of the leaders of the execution movement and Reformation. He was an opponent to Zygmunt August's marriage with Barbara Radziwi ówna (around 1548), also around that time he joined the Czech Brethren and became one of the leading Polish representatives of that faith. In 1550 he resigned his voivoide office, and was elected a deputy to the Sejm and later became Marshal of the Sejm. He was a vocal opponent of the Roman Catholic clergy and a supporter of the Union of Lublin.