"Right, right." Sirius springs back up, "I’ll write to her now, ask her when she’s free..." He summons parchment and a quill, then on second thought summons all of the Christmas invitations he’d gotten so far (sans the Malfoy one and the Ministry one, which he threw into the fire). "You remember my cousin, Andromeda?" He asks as he opens her letter and scans it for the details of the event.