One convoluted, incomplete, and very confusing explanation later:
Timothy: …and then I passed out.
Yumiko: Could the apparition have been a saint?
Heinkel: She sounds like a protective spirit of some sort. So we can honestly tell Father Maxwell…
…that there are no witches at Lillian–
Heinkel: Hey, it’s the familiar!
Timothy: If she’s not a witch, is it still a familiar?
Heinkel: Kid? Nobody cares.