Evangeline Clara is lovely! I have Beatrix Clara Elizabeth as a combo, so I’d say Beatrix and Beatrice. I also like (these are all from my list):
Evangeline Clara is nice! I considered Evangeline Clara Joy for my own list, actually.
I’ve also tossed around Emmeline Clara, Rachel Clara, and Eva Clara (even Anna Clara, which is a family name on my dad’s side. Her full name was Anna Clara Elizabeth, which I always thought had the perfect blend of spunk and classicness and lush vintage-ness! It to this day is still one of my favorite combos.