William III of England Sexuality

Apparently after so many cheating Stuart kings, when William III never remarried and he only had one suspected mistress (arguably no mistresses), there was rumor that he preferred men in that way, and this rumor continued all to the time of the French revolution. No 20th century historian takes that "evidence" of not remarrying and not having enough mistresses seriously. No one thought George III swung that way.

Would William of Adelin (hier apparent to Henry I until the White Ship disaster) be rumored to be homosexual if he had no mistresses? I don't think so because we haven't yet had the precedent of multiple generations of Kings who hit on any female that moved (William I and II didn't, while Henry I had... lots of bastards).
 
William II isn't a good example, because a lot of people think he was gay.

I think rumours start with the favorites. If William Adelin had a single specific guy that he spent time with in lieu of mistresses or a wife then rumours would probably start. Of course, given the White Ship incident and his not being king, it's likely no one would even look at his sexuality.
 
Well, because of the White Ship thing he died before anyone noticed he was with anyone besides family and friends of his father.
 
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