« Liste des familles contemporaines de la noblesse belge » : différence entre les versions

| align="center" |Famille princière de Pologne, portant ce titre depuis 1495, reconnaissance de la dignité princière en Pologne en Pologne en 1569<ref group=alpha>{{Citation étrangère|langue=en|The Czetwertynski family (...) has always kept the name Swiatopolk which was later joined with Czetwertynski, from the land of Czetwertina in Volhynia. It is one of the leading princely families of the same origin which are numerous in Russia, the only one since the Middle Ages settled in the Ruthenian provinces, incorporated into Poland. (...) ''The Princely dignity was recognized in Poland, in the Act of the Union of Lublin 1 July 1569''. After the partition of Poland, the Czetwertynski were enrolled and received diplomas as Russian Princes from the Heraldic Chamber of the Senate in St. Petersburg (in 1843, 1858, 1860, 1875 and 1886).}}, in ''Almanach de Gotha'', Vol. II, Part 3, 189th Edition, London, 2013, {{p.|272}}.</ref> Confirmation du titre princier par la députation du Sénat de Pologne en 1822. Confirmation du titre princier en Russie en 1886.<br> Reconnaissance de noblesse et du titre de prince transmissible à tous leurs descendants pour Alexandre et Constantin Swiatopelk-Czetwertynski en 2007.