query: #defaultView:Map
  SELECT ?persLabel ?ambLabel ?placeLabel ?coord
  WHERE
  {
   ?amb (wdt:P279*|wdt:P31*) wd:Q23925661 . 		 #subclass of 'Ambassador of East Germany'
   
   ?pers wdt:P39 ?amb . 							
   ?pers wdt:P19 ?place.
   ?place wdt:P625 ?coord.
   
   SERVICE wikibase:label {
   bd:serviceParam wikibase:language "de" .
   } 
  }
  