(1) Subject to this section, if an intestate dies leaving neither spouse nor civil partner nor issue, his estate shall be distributed between his parents in equal shares if both survive the intestate, but, if only one parent survives, that parent shall take the whole estate.
(2) If an intestate who is an affected person dies leaving neither spouse nor civil partner nor issue, his or her estate shall be distributed between each person who is his or her surviving parent in equal shares, but, if only one parent survives, that parent shall take the whole estate.
(3) Where subsection (2) applies, and a surviving parent is both the father and the social father (within the meaning of section 4B) of the intestate concerned, the estate of the intestate shall be distributed between him and the other surviving parents in equal shares, but, if he is the only surviving parent, he shall take the whole estate.