Johanna Gräfin von Colloredo-Mannsfeld (1867-1938) (1867–1938) Parents Aglaë Festetics de Tolna Hieronymus Mannsfeld Children Princess Maria Theresia of Schönburg-Hartenstein Princess Margarethe of Schönburg-Hartenstein Princess Karoline of Schönburg-Hartenstein Alexander, 5th Prince of Schönburg-Hartenstein Siblings Marie Therese, Gräfin von Colloredo-Mannsfeld Ernestine von Colloredo-Mannsfeld Hieronymus von Colloredo-Mannsfeld Josef Colloredo-Mannsfeld Partners Alois, Prince of Schönburg-Hartenstein