N.Y. Real Prop. Acts. Law § 202

§ 202. When provision in lieu of dower is forfeited. Every jointure,\ndevise and pecuniary provision in lieu of dower is forfeited by the\nwoman for whose benefit it is made in a case in which she would forfeit\nher dower; and on such forfeiture, an estate so conveyed for jointure,\nor devised, or a pecuniary provision so made, immediately vests in the\nperson or legal representatives of the person in whom they would have\nvested on the determination of her interest therein, by her death.\n