The title of a bona fide purchaser without notice and for valuable consideration from the heir or heirs at law of a person who has died heretofore, or who may die hereafter, having title to any real estate of inheritance in this state, shall not be affected by a devise of such real estate made by the decedent, unless within one year after the testator's death the will devising the same, or if such will has been probated without this state, an authenticated copy thereof, shall be filed for probate before the court having jurisdiction for that purpose, or the clerk thereof, and shall afterwards be admitted to probate as a will of real estate and be recorded in the proper clerk's office: Provided, however, That if any devisee under such will mentioned in this section is at the time of the testator's death an infant, or insane, or a convict, the limitation created by this section shall not affect such infant, insane person or convict until after the expiration of one year from the removal of such disability.