Q. A threatens to lodge a complaint before the Duke in case his mother is successful in the suit. A. A ban should be placed on A for even expressing such a threat; and if A dares to appeal to a Gentile court, [he shall be excommunicated, and] you shall surely excommunicate him together with his helpers, advisors, and supporters. SOURCES: Pr. 245, 246, 247; cf. Agudah B. M. 27; ibid. B. B. 168; Hag. Maim. Shebuot 11, 3; Isserlein, Pesakim 86.