This is the most common type of will. A simple will lists your beneficiaries (including any charities), names your executor, and names a guardian for your children.
When two people make a will in the same document. This practice is discouraged because a joint will also acts as a contract between the two people making the will and therefore they may give up their right to revoke or change the will. And, most importantly, New York State does not recognize joint wills.
Mutual wills allow people to coordinate their estate plans and are often used by spouses.
There is a presumption that a person has the capacity to execute a will and the required capacity to execute a will is a low threshold. A person's capacity to create a will and turns on inquires such as whether the testator understood the nature and consequences of executing a will; understood the nature and extent of the property being given under the will; and whether the testator knew who would be considered the natural objects of the bounty and his relationship with them.
A general matter, a Will must be in writing; signed by the testators at the end of the will- all language after the testator's signature will be ignored; there must be 2 attesting witness and the testator must acknowledge that it is his will to those witness. New York EPTL 3-2.1 governs will execution. *Beneficiaries under the will should not be witnesses to the will because all gifts to them will be void.