A devise of the residue of a testator's real property, or a bequest of the residue of a testator's personal property, passes all the real or personal property, as the case may be, which the testator was entitled to devise or bequeath at the time of death, not otherwise effectually devised or bequeathed by the testator's will. SOURCE: Probate Code of Guam (1970), § 126. COMMENT: See Comment to § 631, supra, which Comment is also applicable to § 633.