Undue influence occurs when a
wrongdoer exerts influence over a testator sufficient to overcome the
testator's free will and cause the testator to make a bequest that would not
otherwise have been made. Matter of Walther , 6 N.Y.2d 49, 188
N.Y.S.2d 168, 159 N.E.2d 665 (1959) [ enhanced version...