An unsigned proxy will is invalid. According to the relevant laws and regulations, there should be more than two witnesses to witness the will, and one of them will write the book on behalf of the testator and other witnesses. If the parties do not sign, it cannot be considered whether Sisi's statement is true or not, and the will made will be deemed invalid.

legal ground

Article 133 of the Civil Code of People's Republic of China (PRC)

A natural person may make a will and dispose of personal property in accordance with the provisions of this law, and may appoint an executor.

A natural person may make a will to designate personal property to be inherited by one or more legal heirs.

A natural person may make a will to donate personal property to an organization or individual other than the state, the collective or the legal heir.

A natural person may establish a testamentary trust according to law.

Article 135

A will that entrusts others to write on behalf of others shall be witnessed by two or more witnesses, and one of them shall write on behalf of others, which shall be signed by the testator, agent and other witnesses, and marked with the year, month and day.

Article 143

A will made by a person without or with limited capacity for civil conduct is invalid.

A will must express the true meaning of the testator, and a will made by fraud or coercion is invalid.

Forged wills are invalid.

If the will is tampered with, the tampered contents are invalid.