Input (grade 9): Willy Brandt was born Herbert Ernst Karl Frahm in the Free City of LÃ 1\/4 beck (German Empire) to Martha Frahm, an unwed mother who worked as a cashier for a department store. His father was an accountant from Hamburg named John MÃ ller, whom Brandt never met.
Output (grade 3): He was born as son of Martha Frahm and John MÃ ller in 1913 in LÃ 1\/4 beck.