Daughter of Johann Drewes and Regine Schmitz Drewes, mother of Sarah Anna von Weitershausen, former step-mother of Hubert Marischka, former daughter-in-law of Hubert Marischka, former sister-in-law of Viktor Marischka and Georg Marischka, daughter-in-law of Georg Ferdinand Karl Heinrich Maria von Weitershausen and Ingeborg von der Groeben von Weitershausen, sister-in-law of Gila von Weitershausen.

Alexandra Marischka has appeared nude in .