Did {Charles_II_of_England} {child} {George FitzRoy, 1st Duke of Northumberland} and {Lady Mary Tudor} ?
Was the 1st Duke of Northumberland and Lady Mary Tudor, George FitzRoy, the child of Charles II of England?
Was Charles_II_of_England's childs George FitzRoy, 1st Duke of Northumberland and Lady Mary Tudor
ASK WHERE { resource:Charles_II_of_England property:child resource:George_FitzRoy,_1st_Duke_of_Northumberland . resource:Charles_II_of_England property:child resource:Mary_Tudor }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q122553> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P40> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q2346374>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q122553> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P40> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q4983566>. } 
ASK WHERE { wd:Q122553 wdt:P40 wd:Q2346374 . wd:Q122553 wdt:P40 wd:Q4983566 }