Maria Isabella, Gräfin von Mansfeld 29 Aug 1750 Praha, Bohemia - 21 Oct 1794 Wien (1750–1794) Parents Henry, Prince of Mansfeld-Bornstedt Maria Anna, Gräfin Czernin von Chudenitz Children Maria Henriette, Gräfin von Colloredo-Mannsfeld Ferdinand von Colloredo-Mannsfeld Hieronymus Karl Graf von Colloredo-Mansfeld Rudolph Joseph von Colloredo-Mansfeld Siblings Joseph Wenzel Nepomuk, Fürst von Mansfeld-Bornstedt (Vorderort) Partners Francis Gundaker of Colloredo-Mansfeld