What is "taczanowski"

thumb|upright=1.2|Taczanow Palace, Poland (late 18th century; expansions in 1853-57 and 1922) thumb|upright=1.2|Choryń Manor, Poland (late 18th century) thumb|upright=1.2|Podrzecze Castle, near Gostyń, Poland (nineteenth century) Taczanowski (Polish plural Taczanowscy) is the surname of a Polish szlachta ( nobility) family from Poznań bearing the Jastrzębiec coat of arms and the motto: Plus penser que dire. They took their name from their estate Taczanów in the 15th century and by the 19th century were among the leading magnates in partitioned-Poland. Members of the family are historically significant religious, political, scientific, and military figures. The family was granted the title of count by King Friedrich Wilhelm IV of Prussia in 1857. The Austrian branch of the family, which spells the name Dassanowsky, came to Vienna with the forces of King Jan Sobieski during the Battle of Vienna in 1683.