query: #title: Without date of birth and sex or gender data
  # Complex constraint from [[Property talk:P412]]
  #
  SELECT ?item {
    ?item wdt:P412 [].
    FILTER NOT EXISTS { ?item wdt:P569 [] }
    FILTER NOT EXISTS { ?item wdt:P21 [] }
    ?item wdt:P31 wd:Q5. 
  }