Facts
On April 7, 1994, X. passed away and left her four children Z., Y., [W.], and V. as legal heirs. The parties concluded various inheritance-related legal transactions, including a written agreement dated May 11/June 26/August 26/September 4, 1985/April 10, 1996, which was also co-signed by the testator on June 27, 1985. This agreement pursuant to Art. 634/636 of the Swiss Civil Code (ZGB) provided that after the death of X., the ownership of the property on Street B. would be transferred to [W.], with the other co-heirs each receiving 20,000 Swiss francs. On May 14, 1993, the testator made a testamentary disposition declaring all previous arrangements regarding the transfer of the property to [W.] as null and void. [W.] subsequently filed a partition of inheritance action, requesting the transfer of the properties to his sole ownership. The District Court of Schwyz and subsequently the Cantonal Court of Schwyz granted W.'s claim.Considerations
The Federal Supreme Court reached the following conclusion
1. The lower court correctly assumed that the 1985/1996 agreement meets the requirements of Art. 636 para. 1 ZGB and constitutes a legally valid contract. Individual inheritance assets and rights can indeed be the subject of such a…