(1)A marriage solemnized after the commencement of this Act between a man and a woman who is the daughter or granddaughter of a former spouse of his (whether the former spouse is living or not) or who is the former spouse of his father or grandfather (whether his father or grandfather is living or not) shall not be void by reason only of that relationship if both the parties have attained the age of twenty-one at the time of the marriage and the younger party has not at any time before attaining the age of eighteen been a child of the family in relation to the other party.
(2)A marriage solemnized after the commencement of this Act between a man and a woman who is the grandmother of a former spouse of his (whether the former spouse is living or not) or is a former spouse of his grandson (whether his grandson is living or not) shall not be void by reason only of that relationship.
(3)A marriage solemnized after the commencement of this Act between a man and a woman who is the mother of a former spouse of his shall not be void by reason only of that relationship if the marriage is solemnized after the death of both that spouse and the father of that spouse and after both the parties to the marriage have attained the age of twenty-one.
(4)A marriage solemnized after the commencement of this Act between a man and a woman who is a former spouse of his son shall not be void by reason only of that relationship if the marriage is solemnized after the death of both his son and the mother of his son and after both the parties to the marriage have attained the age of twenty-one.
(5)In this section " child of the family " in relation to any person, means a child who has lived in the same household as that person and been treated by that person as a child of his family.
(6)The [1949 c. 76.] Marriage Act 1949 shall have effect subject to the amendments specified in the Schedule to this Act, being amendments consequential on the preceding provisions of this section.
(7)Where, apart from this Act, any matter affecting the validity of a marriage would fall to be determined (in accordance with the rules of private international law) by reference to the law of a country outside England and Wales nothing in this Act shall preclude the determination of that matter in accordance with that law.
(8)Nothing in this section shall affect any marriage solemnized before the commencement of this Act.