Boys name after two ´royal´ girls´ names

[Cigna]

DH is PT so we are looking for an international name. DDs both have names that were used in the past by PT/UK queens. Perfectly pronounceable at both ends and not too ethnic. Boys names prove to be much more difficult. Do not want a clear PT name (Joao, Henrique, Antonio, Luis etc.). But what then?
Am afraid that Alexander is too popular in our area and we want to avoid a bias to one side of the family (so no George, Henry, William, James, Oliver etc. either).
It appears that there is so much more choice for girls: we could easily have settled for Eleonore, Catherine, Carolina, Helena, Joanna, Charlotte etc. What are the alternatives for boys?!

What's PT?

Portuguese

Stephen is a King's name but totally underused.

Edward?

Was going to ask the same! Is it Portuguese?

If so how about Daniel?

Jonathan is also lovely but underused.

Have you consulted the 'official list' of Portuguese names? Daniel one of the few international ones. Agree much harder for boys!

Gabriel
Rafael
Lucas
David
Diego
Leo
Daniel
Ruben
Hugo
Samuel
Bruno
Joel
Marco
Isaac
Emanuel

These are all from the Portuguese top 100

Nicholas/Nico

I looked up list of Portuguese boys names - www.top-100-baby-names-search.com/portuguese-names-boy.html

the international ones include:
Andre
Benjamin
David
Daniel
Filipe (you could have licence with the spelling)
Jacob
Lucas
Tomas

I'm afraid your only option is Denis.

Portuguese...the farmer/poet king of 12th C fame.

English - the footballer Denis Law. Known as 'The King' (at least to himself).

After extensive Googling ( I looked at the first FOUR links), I can pronounce confidently that this is the ONLY name that fits your criteria, and you may as well order the personalised blankets now.

Luke/Lucas?

James or christian

Thanks you all! I´m not too keen on the biblical names (we´re not religious) and unfortunately some of the names we cannot use as they are already used in his family. I like Leo, Hugo, Lucas and Ruben, but do you think they fall in the same group as our DDs with their royalty-inspired names? I like Leo, but should we then go for Leonardo (DDs also have 3-4 syllables)?

Leonardo is lovely

There have been a few King Leopolds in Belgium and a the odd German state. So Leo can still be considered a royal name.

Leonardo is clearly Italian and it is a bit silly to not want a clearly Portuguese name and go for an Italian one!

There have been no Kings called Rubens/Hugo etc.

Also Ruben is a very biblical and also jewish name.

Denis is a Portugese royal name - so it is an option.

Leonardo is the Portuguese form of Leonard, as well as the Italian one.

Jacob
Emilio
Tomas
Leonardo
Leopoldo
Maximilian
Valentim
Timoteo