Below you can find the Willem-alexander the son of this dutch ruler was the first male heir in the house of orange since 1884 Jeopardy Words Answer. The answer to Willem-alexander the son of this dutch ruler was the first male heir in the house of orange since 1884 has 7 letters. This clue belongs to the Monarchs category and is part of Jeopardy Word Level 1471. If you scroll near the bottom you will find other clues and answers part of level 1471