On 13 June 1395, Joanna Sophia married Albert IV, Duke of Austria in Vienna.

Joanna Sophia's father agreed to the payment of 10,000 Pfennige and he gave Albert III the fortress of Natternberg and the town of Deggendorf.

Henry and Margaret married two years after Joanna Sophia's death.

Her son Albert married Elizabeth of Luxembourg, the only child of Emperor Sigismund.

Joanna Sophia died aged thirty-six or thirty-seven in Vienna.