It's delightful, so theatrical and elaborate. I hope she never went by Tina, what a loss that would be.
Leontina Dagmar and Leontina Sigrid stood out to me. Leontina needs a MN with Ds and Rs, IMO, and these two fit perfectly.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080