User blog comment:Master Sima Yi/Assassinews 14-07-'14 – Two new Assassin's Creed: Unity trailers/@comment-5174994-20140731000622/@comment-13471981-20140731113357

Probably love interest. Dan Jeannotte, Arno's voice actor, says there's a "complicated love story" in Unity, so he's probably referring to Arno and Elise.

I hope Elise'll get her own dlc though. That'd be epic :)