615. Wills and intestacy.

615.     Wills and intestacy.

In order that a testator may make a valid will it is essential that he should understand the nature of the act and its effect, be able to appreciate the claims to which he ought to give effect and understand the extent of the property of which he is disposing1. Thus the intellectual understanding required for testamentary capacity is somewhat different from that required for ordinary contracts, since it includes, for example, appreciation of the claims of possible beneficiaries2. A will made during a period of incapacity is void and does not become