A beneficiary designated in a transfer on death deed shall be deemed to have predeceased the transferor under the following circumstances:
I. The divorce or annulment of the marriage between the transferor and such designated beneficiary, so long as the divorce or annulment has taken place subsequent to the execution of the transfer on death deed, unless the transfer on death deed provides otherwise; and
II. The death of the transferor, if intentionally and unlawfully caused by such designated beneficiary, but only if principles of equity warrant revocation.