"Siebmacher's Wappenbuch" (Siebmacher's armorial reference book) under "Preussischer Adel" (Prussian Nobility), records Sypniewski (table 269), a Polish family, connected to the Odrowaz coat of arms, still 20 years ago (at the printing of the above stated book, c. 1840) in possession of a sizeable piece of farmland.