Male Luna?
The Luna whispered into Jack's ear, “I am sorry my daughter, I have to go and when the time comes, you must carry out your duty, I know you won't understand what I am saying but when the time comes, everything would make sense, I love you.”
The Luna kissed Jack on her forehead and whispered, “my sweet daughter, now go to sleep and i'll see you tomorrow” whilst Luna gave a small smile along with tears that's forcing it's way out.
The Luna whispered some sort of spell, making the child fall asleep in her arms whilst tears overflowed her cheeks. Not just that, little Jack's memory of what happened at that moment was wiped out.
The Luna used her powers and made an identical self with light brow