When Hans Jacob Laufer was christened on 10 August 1673, in Eglisau, Zürich, Switzerland, his father, Ulrich Laufer, was 27 and his mother, Anna Frey, was 25. He married Elisabetha Brennwald about 1704, in Switzerland. They were the parents of at least 5 sons and 4 daughters.
Some characteristic forenames: Jewish Berish, Mayer, Chaim, Leibish, Ari, Hyman, Moishe, Moshe, Myer, Pinchas. German Hans, Armin, Berthold, Erwin, Frieda, Fritz, Fritzi, Ilse, Mathias, Otto, Siegmund, Wolfgang.
German and Jewish (Ashkenazic) (also Läufer): occupational name for a messenger or a nickname for a fast runner, from an agent derivative of Middle High German loufen, German laufen ‘to run’.
German (also Läufer): habitational name for someone from a place called Lauf, Laufen, or Lauffen in Germany, Austria, and Switzerland (see Lauf ).