sentences:  The Polish kings extended rights to them in 1264 and the 14th century, and provided continued political support through the centuries.At the beginning of the 19th century, their more than 1200 residents comprised more than 48% of the city's population in what is considered the city's Old Town; through the century, their proportions ranged from 30s and 40 percent.It varied as German migrants were arriving in the region, and the area was becoming urbanized, as more people moved to the city.