Prince Joachim of Denmark , the youngest of Queen Margrethe II and Prince Henrik 's two children , welcomed the opening ceremony by making a short speech to all the seated spectators in the stadium .
Head entity: queen margrethe ii Q102139 8 9 10
Tail entity: prince joachim of denmark Q159101 0 1 2 3
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40