Other than Donatus, Prince and Landgrave of Hesse the literal pretender to the Finnish throne who’s grandfather literally ruled as King of Finland officially and legally for only 2 months.
So after the death of Levon VI (V) of Armenia, the title of “King of Armenia” passed onto the James I of Cyprus.
How was James I of Cyprus related to the previous monarchs of Armenia? I heard he was the “2nd cousin” of the previous King buT how exactly were they related.
Canada already has an independent monarchy, the Queen of Canada just happens to be Queen of some other countries too.
But let’s say for whatever reason Canada no longer wanted to be in personal union with it’s closest allies and friends, who would get the throne? Andrew? Harry? Somehow I doubt...
Why not just make Habsburg–Lotaringiai József Károly King of Hungary?
He is the head of the Hungarian branch of the house who all served as Palatinates, is actually descended from the native Hungarian monarchs and his family has been Hungarian for generations.
Romania
"Prince" Paul-Philippe Hohenzollerns claim actually goes way back further, his father Carol Lambrino was legally a bastard despite being the eldest child of Carol II, this is because Ferdinand I annuled the marrige of the future Carol II and Carol Lambrinos birth was outside the 300 day...
I have seen many monarchists say the the House of Aisin Gioro (Qing Dynasty) should not be restored because they are not Han Chinese and they "lost the Mandate of Heaven". However the House of Zhou (Ming Dynasty) lost the Mandate centuries before even the Qing and the only varifiable descendants...