(2) Class gifts (A) No differentiation between relationship by blood and relationship by affinity Terms of relationship that do not differentiate relationships by blood from those by affinity, such as “uncles”, “aunts”, “nieces”, or “nephews”, are construed to exclude relatives by affinity. Terms of relationship that do not differentiate relationships by the half blood from those by the whole blood, such as “brothers”, “sisters”, “nieces”, or “nephews”, are construed to include both types of relationships. (B) Meaning of “heirs” and “next of kin”, etc.; time of ascertaining class A devise of trust or restricted interest in land or an interest in trust personalty to the testator’s or another designated person’s “heirs”, “next of kin”, “relatives”, or “family” shall mean those persons, including the spouse, who would be entitled to take under the provisions of this chapter for nontestamentary disposition. The class is to be ascertained as of the date of the testator’s death. (C) Time for ascertaining class In construing a devise to a class other than a class described in subparagraph (B), the class shall be ascertained as of the time the devise is to take effect in enjoyment. The surviving issue of any member of the class who is then dead shall take by right of representation the share which their deceased ancestor would have taken.