Heir apparent

Columns: Country | Name of Heir apparent | Title | Date of Birth ( age ) | Relation to Monarch
Luxembourg | Guillaume | Hereditary Grand Duke of Luxembourg | ( 1981-11-11 ) November 11 , 1981 ( age 38 ) | eldest child | Monaco | Jacques | Hereditary Prince of Monaco , Marquis of Baux | ( 2014-12-10 ) December 10 , 2014 ( age 5 ) | only legitimate son | Morocco | Moulay Hassan | Crown Prince of Morocco | ( 2003-05-08 ) May 8 , 2003 ( age 16 ) | only son | Netherlands | Catharina-Amalia | Princess of Orange | ( 2003-12-07 ) December 7 , 2003 ( age 16 ) | eldest child | Norway | Haakon Magnus | Crown Prince of Norway | ( 1973-07-20 ) July 20 , 1973 ( age 46 ) | only son | Saudi Arabia | Mohammad bin Salman bin Abdulaziz Al Saud | Crown Prince of Saudi Arabia | ( 1985-08-31 ) August 31 , 1985 ( age 34 ) | child | Sweden | Victoria | Crown Princess of Sweden , Duchess of Västergötland | ( 1977-07-14 ) July 14 , 1977 ( age 42 ) | eldest child | Tonga | Tupoutoʻa ʻUlukalala | Crown Prince of Tonga | ( 1985-09-17 ) September 17 , 1985 ( age 34 ) | eldest son | United Kingdom and 15 other Commonwealth realms | Charles | Prince of Wales , Duke of Cornwall , Duke of Rothesay | ( 1948-11-14 ) November 14 , 1948 ( age 71 ) | eldest son

Example questions:
What is the English translation of the pen name of the monarchical Heir apparent of Dubai ? | Which island 's northern shore contains the homeland of Heir apparent Al-Muhtadee Billah ? | What orbits the main island in the geography of the homeland of Heir apparent Salman bin Hamad bin Isa Al Khalifa ? | Who is the mother of the monarchical Heir apparent of Denmark ? | What is the Christian name of the monarchical Heir apparent of Lesotho ?

Answers:
the one who helps | Borneo | small archipelago | Queen Margrethe II | David