We think the better reasoned cases are those that hold that the heirs have nothing to release and that such a release is a nullity. Mow v. Baker (Tex.), 24 S.W.2d 1, 68 A.L.R. 405; Weddington v. Adkins, 245 Ky. 747, 54 S.W.2d 331; Ferenbaugh v. Ferenbaugh, 104 Ohio St. 556, 136 N.E. 213; Theissen v. Moore, 105 Ohio St. 401, 137 N.E. 906; State Bank of Woolstock v. Schutt, 174 Iowa 583, 156 N.W. 762; Kass v. Brown, 68 N.H. 85, 44 A. 86; Headrick v. McDowell, 142 Va. 124, 45 S.E. 104; Pritchard v. Pritchard, 76 W. Va. 91, 85 S.E. 29. The instrument executed in the case at bar did not amount to a release or a contract not to contest the will of the testator herein.
" In Weddington v. Adkins, 245 Ky. 747, 54 S.W.2d 331, the testator devised to his wife a life estate in 35 acres of land and died intestate as to practically all of his personal property. The widow was given the small balance of personal property which amounted to less than the $750 exemption allowed by KRS 391.030, Carroll's Kentucky Statutes, section 1403, although she had not renounced the will.