Ministers who are children to ministers and also are in WikiTree

#Ministers who are themselves children of a minister, per country
SELECT  DISTINCT ?countryLabel  ?child ?childLabel ?WikiTreeIDf
WHERE
{
  ?child wdt:P31 wd:Q5 . # Looking for real humans and not fictional ones
  ?child wdt:P39/wdt:P279* wd:Q83307 .
  {
     ?child wdt:P22 ?parent .
     ?parent wdt:P39/wdt:P279* wd:Q83307 .
  } UNION {
     ?child wdt:P25 ?parent .
     ?parent wdt:P39/wdt:P279* wd:Q83307 .
  }
 
  ?child wdt:P27 ?country .
  ?country wdt:P901 ?cc .
 
  OPTIONAL { ?child  wdt:P2949 ?WikiTreeID }
  BIND (URI(CONCAT("http://www.wikitree.com/wiki/",?WikiTreeID)) AS ?WikiTreeIDf)

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en" .
  }
}
ORDER BY DESC(?WikiTreeID)

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