I would raise the girl to be groomed for her calling. My lessons would emphasize obedience, mastery of the clockwork majyyks, and being locked in a room.
As you must have gathered by now, my employer will enter this universe quite soon. I will then relinquish my custody to him, and she will serve as his Handmaid for an eternity to be specified. As you must have also gathered, she has already done so. Though her most common of blood should have let her expire in just a dozen or two sweeps, his curse kept her very much alive.
And she did not intend to stay that way.