Harmony is not a medieval name
"Harmonia" is closer to the origin of the word; depending on the area the Middle Ages may not have used the word "Harmony" as we do today.
yes. some others could be Quen,Bolivia, and Ella.
Here is a link to a name generating website for Medieval names.
Christian Harmony's birth name is Christopher William Harmony.
Her name is called Anne Hathaway.
Knight club
i think Sasha, Julia and Princess are some good name.
ye old parkith
It depends if your cat is beautiful and is female.
Princess Sofia Hotel no more exist. The new name is Ramadi
Here's a link to a good name generating website and one to show you how to create names for your characters.
The name for the use of conventional keys harmony is 'tonality'.