Naming BG Twins! Help with the Girl!

Amelia • Stay at Home Mom to Three & One due in July!

So, we are set on the boy's name as you can see but can't figure out his sister's! my worries are Isabella is too popular or that Kassandra is too similar to Alexander. Husband and I are European and like names that can be pronounced properly in the US and Europe. Our last name is Galabova if that helps. Thank you.

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