It's need check but I am enough sure that Pflügner was the maiden name and von Ende the married name.
MARIA PFLÜGNER [Active 1930s.]
Married von Ende, circa 1931
Winner: 1931- Hannover; 1932- Free City of Gdansk Champs.
Finalist: 1932- Bad Pyrmont; 1933- Heiligendamm
pflugner von ende maria.jpg