Section 281 does not extend to any of the following:
(a) To any person by reason of any former marriage or former registered domestic partnership whose spouse by such marriage or registered domestic partnership has been absent for five successive years without being known to such person within that time to be living.
(b) To any person by reason of any former marriage, or any former registered domestic partnership, which has been pronounced void, annulled, or dissolved by the judgment of a competent court.