"A little more than kin and less than kind"
[Hamlet, 1.2.67] Hamlet says this in an aside. It means that Claudius is both his uncle and stepfather, but a bad person. Here, kind has three meanings: the modern sense meaning "nice", the original meaning of "ancestral family", and meaning that developed during Shakespeares lifetime of "natural" or "proper" in manner. Hamlet eludes that Claudius is not a nice person, not a direct blood relative, and involved in less-than proper or natural relationships (like with Gertrude).