Dee ihe na-aga n'ihu maka paragraf a - Mgbe Union nke Lublin (1569), a kpọfere Bielsko site na Grand Duchy nke Lithuania na Alaeze Poland. Bielsk bụ obodo eze nke Poland, nke dị na Podlaskie Voivodeship na Obere Poland Province nke okpueze Polish. Obodo ahụ nwere ọganihu, na ụlọ ụka, ụlọ ọgwụ, igwe, ụlọ ahịa na ndị omenkà 265 (dị ka nke 1576). Bielsko gbara ọkụ na 1591, na mwakpo ndị Sweden wakporo Poland
wetara ihe fọrọ nke nta ka ọ bụrụ mbibi zuru ezu (1655).