[3] Mogendorff studied at the Rijksakademie van beeldende kunsten (State Academy of Fine Arts).

Around that time she opened a studio in Amsterdam with fellow artist Paul Citroen and worked with Charlotte van Pallandt.

[2] Mogendorff's work was included in the 1939 exhibition and sale Onze Kunst van Heden (Our Art of Today) at the Rijksmuseum in Amsterdam.

[3] After the war Mogendorff continued to draw and paint, exhibiting frequently with Nederlandse Kring van Tekenaars (Dutch Circle of Drafters).

[4] Mogendorff died on 27 October 1969 in the Rosa Spier Huis in Laren, North Holland.