[Princess SAPIEHA]. Authorless. Rodowód Książąt Sapiehów. History of the Princes of Sapieha. Published in Paris by Sans éditeur CIRCA 1890. In quarto / In-4 format. Chocolate cardboard. Gilt edges (14)+63 pages, including two fold-out plates A rare copy of this history of the Polish princes of Sapieha. The work is introduced by a color frontispiece reproducing the arms of the House of Sapieha. The introductory sections are in Latin; the rest of the work is in Polish. Two large fold-out genealogical trees are included at the end of the book. Book in good condition. The interior shows a few minor brown spots. Fragile binding, but in good condition. Provenance: Princess Céline Sapieha, first cousin and closest relative of Count Jacques Potocki.