Mealey's (December 18, 2018, 1:26 PM EST) -- CHICAGO — A lawsuit brought by three siblings accusing their stepmother of interfering with their testamentary expectancy by using undue influence on their father after a stroke in 2004 was dismissed by a federal judge in Illinois on Dec. 15 after he found that the claims in their federal court action had already been addressed in a state court proceeding in which the plaintiffs filed a petition to invalidate beneficiary designations and recover assets (Yusoff U. Allian, et al. v. Jean Allian, No. 18 C 3825, N.D. Ill., 2018 U.S. Dist. LEXIS 210932)....