[1] It appears that Andrzej Jr. was born while his father Benedykt Wiszowaty was a Unitarian minister in Kosinowo, in the Duchy of Prussia.
His mother was Eufronzyna Sierakowska widowed of Jan Lubieniecki (1653-1683) From 1712 to 1722 he studied in the Netherlands.
In September 1722 he presided for the first time over Communion of the Polish Unitarian congregation in Kolozsvár, of which he was pastor.
His later years in Transylvania coincide with the revival in the fortunes of the Unitarian church there led by bishop Mihály Lombard de Szentábrahám.
[2] This biographical article about a Polish religious figure is a stub.