Walburga's father, Johann Ignaz Willmann (1739–1815) was a musician, playing flute, violin and cello.
Walburga and her siblings Maximilian and Magdalena were born in Bonn between 1767 and 1771; her half-sister Caroline, daughter of Ignaz and his second wife Marianne de Tribolet, was born in 1796.
[1][2] Ignaz became in 1767 a member of the chamber orchestra of the Elector of Cologne in Bonn.
During her tours, she included her own compositions, and she composed in 1801 a piano concerto, now lost.
[1][3][4][5] In 1804 Walburga went with her husband, who was a Napoleon sympathiser, into exile in Mainz.