A transfers property of which he is the owner to B in trust for A and his intended wife successively...........

A transfers property of which he is the owner to B in trust for A and his intended wife successively for their lives and after the death of the survivor, the eldest son the intended marriage for life. And after his death for A’s second son. Does the interest so created for the benefit of the eldest son take effect? Decide.    (5 marks)