 Toward that end, he placed in his will a shifting executory limitation so that title to some property would pass to his eldest son (who was mentally deficient) and then to his second son, and title to other property would pass to his second son, and then to his fourth son.The estate plan also included provisions for shifting the titles many generations later if certain conditions should occur.When his second son, Henry, succeeded to the elder brother's property, he did not want to pass the other property to his younger brother, Charles.