query: embed.html#SELECT DISTINCT ?item ?itemLabel ?wpt 
  WHERE
  {
      ?item wdt:P1433 wd:Q665807 .  ?item wdt:P31 wd:Q19389637 .  
      # wdt:P31 wd:Q13433827
      [] schema:about ?item ; schema:isPartOf <https://de.wikisource.org/> ; schema:name ?wpt  
      FILTER ( REGEX(?wpt, "Genealogie") || REGEX(?wpt, "Wappen")  || REGEX(?wpt, "Familie")  )                     
      SERVICE wikibase:label { bd:serviceParam wikibase:language "en,de" }
  }