32Except where a contrary intention appears by the will, where a person dies in the lifetime of a testator either before or after the testator makes the will and that person
(a)
is a child or other issue or a brother or sister of the testator to whom, either as an individual or as a member of a class, is devised or bequeathed an estate or interest in real or personal property not determinable at or before his death, and
(b)
leaves issue any of whom is living at the time of the death of the testator,
the devise or bequest does not lapse, but takes effect as if it had been made directly to the persons among whom and in the shares in which the estate of that person would have been divisible if he had died intestate and without debts immediately after the death of the testator.