What is "schwertfeger"

Schwertfeger or Schwerdtfeger is a German surname:

• Kai Schwertfeger (b. 1988), a German football player
• Theodor Schwertfeger (ca. 1680 – after 1739), was a German architect, worked in St Petersburg, Russia
• Carole Schwerdtfeger (more known by pseudonym "C. S. Adler"; b. 1932), is an American children's book author.
• Hans Wilhelm Eduard Schwerdtfeger (1902–1990), was a German-Canadian-Australian mathematician
• Peter Schwerdtfeger (b. 1955), is a chemist