Property disposable by will
3.—(1)  Subject to the provisions of this Act, every person may devise, bequeath or dispose of by his will, executed in the manner required under this Act, all real estate and all personal estate which he shall be entitled to either at law or in equity at the time of his death.
(2)  The power given under subsection (1) shall extend to —
(a)all estates pur autre vie, whether there shall or shall not be any special occupant thereof, whether the same shall be a corporeal or an incorporeal hereditament, and whether the same shall be freehold or of any other tenure;
(b)all contingent, executory or other future interests in any real or personal estate, whether the testator may or may not be ascertained as the person or one of the persons in whom the same respectively may become vested, and whether he may be entitled thereto under the instrument by which the same respectively were created or under any disposition thereof by deed or will;
(c)all rights of entry for conditions broken and other rights of entry; and
(d)such of the same estates, interests and rights respectively and other real and personal estates as the testator may be entitled to at the time of his death notwithstanding that he may become entitled to the same subsequently to the execution of his will.