Complex sentence: On the following day, Dahlerus was given a copy of the 16 points by Göring and took them to Henderson, who dispatched him to Józef Lipski, the Polish ambassador, who had never heard of Dahlerus.
Split into simpler sentences: On the following day, Dahlerus was given a copy of the sixteen points by Göring, and took them to Henderson. Henderson in turn dispatched him to Józef Lipski, the Polish ambassador, who had never heard of Dahlerus.