Special Proceedings
Section 8. Proof when witnesses dead or insane or do not reside in the Philippines. - If the appears at the time fixed for the hearing that the subscribing witnesses are dead or insane, or that
none of them resides in the Philippines, the court may admit the testimony of other witnesses to prove the sanity of the testator, and the due execution of the will; and as evidence of the execution of the will, it may admit proof of the handwriting of the testator and of the subscribing witnesses, or of any of them.