When she discovered she was pregnant with the fourth child, she and her husband decided that they would not return to Brazil, and on 15 September 1870, Prince Luís Gastão was born at Ebenthal Castle in Austria.
Když zjistila, že čeká čtvrté dítě, rozhodli se s manželem nevrátit se do Brazílie, a tak se princ Ludvík Gaston narodil 15. září 1870 na zámku Ebenthal.