Yes, it is. If it isn't transferred to a direct descendant of the owner, it's almost certain that the body of whoever it's transferred to will reject it, and even direct descendants have to go through a lot of preparation before it's certain that the crest will take.

[and it hurts like a motherfucker]

Of course, the point is moot if your child would have an equal chance of being talented in magic, music, or art.