504 P.2d 1143 In the Matter of the Estate of LAWRENCE EINAR BURKLAND, Deceased. BERT N. BURKLAND, Respondent, v. MARGARET L. HILL, Appellant. No. 709-2.The Court of Appeals of Washington, Division Two. December 29, 1972. [1] Wills — Validity — Undue Influence — Sufficiency of Proof. Clear, cogent, and convincing evidence that a beneficiary occupying […]