Legal Question in Wills and Trusts in New York

No. But it is necessary that they are in order for the will to be valid.

In examining this response, please note that we are not entering into an attorney/client relationship, that this is to be taken as informative, and not as legal advice, that it is always best to speak to a lawyer in your area and/or in the area where the transaction and/or events occurred, and that my answer is necessarily limited by the fact that I have not seen the documentation or had an opportunity to go over the matters with you in detail.