The coat of arms was granted at the coronation diet in 1764, for the Jewish brothers Joseph and Adam Konderski, former followers of Frankism. Confirmed by the Diet in 1775 and 14 June 1782.
Also the coat of arms of the related families of Kondek (Poland) and Konder (Saxon).
Names
Konderski, Kondek, Konder
Sources
Juliusz Karol Ostrowski, Księga herbowa rodów polskich- Warsaw 1897–1906, vol.2, p. 146 (pl)
Tomasz Lenczewski, Nobilitacja neofitów za Stanisława Augusta in: Żydzi polscy, an extra in Rzeczpospolita of 27 May 2008 (pl)