Delaware Code Title 25. Property § 744. Curtesy;  barred by wrongful conduct of husband

If a husband leaves his wife to go with an adulteress or willingly lives in adultery in a state of separation from his wife, not occasioned by her fault, in either case, unless his wife is reconciled to him and suffers him to dwell with her, or if he is convicted of wrongfully killing his wife, he shall forfeit his curtesy and all demands, as her husband, upon her real or personal estate and any estate, charge or benefit settled upon him, or upon trust for him, in lieu of curtesy.