Facts
The testator [G.] passed away in 2017. From a first marriage, he had two children: a son, [A.] , and a deceased daughter, [H.] . The latter had four sons: [B.] , [C.] , [D.] and [E.] . In a second marriage, the testator had been married to [F.] since 1987. On 5 April 2004, the testator and his second wife concluded a marriage and inheritance contract, in which they agreed on separation of property and mutually waived their inheritance and compulsory share claims. The testator placed his children on the compulsory share and bequeathed the entire available quota to [I.] . After the testator's death, the son and the four grandsons filed an action for reduction, as they had received less than their compulsory share in value. The District Court of Zurich dismissed the action. The appeal of the plaintiffs to the Cantonal Court of Zurich was also unsuccessful. Against the decision of the Cantonal Court, [A.] , [B.] , [C.] , [D.] and [E.] appealed to the Federal Supreme Court in civil matters. They requested the annulment of paragraphs 1, 3 and 4 of the contested decision and the obligation of the respondent to pay CHF 6,322,250.-- plus interest.Considerations
The Federal Supreme Court dismissed the appeal. It stated that the lower court had rightly added the testator's lifetime gifts, insofar as they…