A given name common in a family, or already borne by someone in the family (in the context of naming someone in the family after that family member).
A surname.
One unknown or in disguise, or under an assumed character or name.
The assumption of disguise or of a feigned character; the state of being in disguise or not recognized.
Without revealing one's identity.
Without being known; in an assumed character, or under an assumed title; in disguise.