... N.J.S.A. 10:5-1 to -42; and N.J.S.A. 46:3-23. It is well established that absent undue influence, the motivation ... 494 (1961). Similarly, defendant's contention that the will violates N.J.S.A. 46:3-23 is without merit. The statute makes void "[a]ny promise ... race, creed, color, national origin, ancestry, marital status or sex." N.J.S.A. 46:3-23. Kenneth's will is not a contract or other agreement ...