Probate - Will - S. 6 Wills Act - Validity of Will - Whether the signature on the last Will and Testament was that of the testator or a forgery - Expert evidence - Whether the testator was suffering from mental incapacity - Whether the testator was acting under undue influence when executed the last Will and Testament - Amendment to fixed date claim form at the time of judgment - Rule 26.9 of the Civil Procedure Rules.