After giving this some thought, and considering the centuries of companionship, I'm willing to say that Catherine has been intimate with anyone of her "sisters" who would desire to do so. She's an attentive and passionate lover, but has restrained her activities to the sisters who she knows so well.<br/><br/>She would have absolutely no modesty before any of them, so seeing her naked wouldn't be uncommon and she is probably well known for seeking warmth in another bed on cold nights... and thunder storms.