In the Estate of O’Connor deceased Two spinster sisters, who lived together and had no surviving relatives, executed on 19 April 1933, a joint will beginning as follows: “We … who intend at a later date making each our separate will in favour of the other, are now leaving this document … In the event of our death together, by accident or other cause, or, if one of us should survive the other and be incapable by illness or should die without making any later will, we … wish … that this will should stand.â€