Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Constantia Zierenberg (1605 1653) was a singer and musician from Danzig(Gda sk) in the Polish-Lithuanian Commonwealth. . Constantia, the daughter of Anna Kerlin and Johann Zierenberg, who would be mayor from 1630 to 1642, was raised as a Calvinist. She received an excellent musical education and was also a painter. Constantia was fluent in six languages: German, Polish, French, Italian, Swedish, and Latin. She sang for both Sigismund III Vasa (reigned 1587 1632) and for W adys aw IV Vasa (1632 1648) on the occasion of their visits to Danzig. Constantia went to the imperial city of Milan and on a year-long trip to a number of other European cultural cities.