. . . "r will as consisting of five pages; she signed below this reference on page three; and she signed the self-proving affidavit on page four, ???which, in this instance, is a part of her will. . . . [and two witnesses] placed their signatures below the testatrix??? signature on that page. . . . [which] satisfies the statutory requirement of subscription contained in Code ?? 64.1????????49.???[198]" .