Lehmann was born on 31 July 1876 in
Delft. She studied at the
Akademie van beeldende kunsten (Den Haag) (
Royal Academy of Art, The Hague). She was taught by
Johannes Josephus Aarts, , Bernard Schluit, and Cornelis Koppenol. Lehmann married Koppenol. Lehmann's work was included in the 1939 exhibition and sale
Onze Kunst van Heden (Our Art of Today) at the
Rijksmuseum in Amsterdam. She was a member of the
Pulchri Studio, the
Haagse Kunstkring, and . ==References==