[1][2] Anna Feodorowna Spengler was born in Saint Petersburg which at that time was home to a large and apparently permanent German expatriate community.
When the child was ten her mother married a third husband, the actor Karl Friedrich Krüger: he adopted Anna.
The play appears not to have survived, but Schickaneder's new theatre prospered and Anna Krüger remained there as part of the company till 1808 or 1809.
[1][2] In 1808 Emanuel Schikaneder took a position as director at the Reduta Theatre in Brünn (as the city was known to German speakers at the time).
However, by 1809 she was back in Vienna where at Easter of that year she made her debut at the Hofbühne Theater, where her (adoptive) father was already an established member of the company.