Friedrich Karl Joseph von Schönborn

Franz Philipp Joseph was born on 2 August 1781 in the Electorate of Mainz and named after his great-grandfather's brother, Friedrich Karl von Schönborn.

His eldest brother, Franz Philipp, who is considered the founder of the Austrian branch of the family (who became known as Schönborn-Buchheim),[6] inherited the Göllersdorf and Weyerburg estates, in Lower Austria, and the Palais Schönborn-Batthyány in Vienna.

[7] Another brother, Franz Erwein, who is considered the founder of the Franconian branch (who became known as Schönborn-Wiesentheid), inherited castles at Wiesentheid, Pommersfelden, Gaibach, Geisenheim and the wine estates Hallburg near Volkach and Hattenheim.

[8] Friedrich, as the youngest son, is considered the founder of the Bohemian branch, and inherited Schönborn Palace in Prague (built between 1643 and 1656 for Rudolf von Colloredo; today the U.S. embassy), and Skalka Castle (in today's Czech Republic which remained in the family until expropriation by the communists in 1946).

[12] Her elder sister, Karolina Maria von Kerpen, was the wife of Ferdinand, 5th Prince Kinsky of Wchinitz and Tettau.