This diploma thesis deals with the legal regulation of disinheritance, with regard to historical context. The thesis focuses primarily on the analysis of the grounds for disinheritance. Disinheritance is an institute that serves as a counterbalance to the legal protection of forced heirs, subsisting in their right to a forced share. If a deceased decides to deprive a forced heir of the protection guaranteed by the heir's right to inherit, i.e., to exclude the forced heir from his or her right to a forced share or restrict the forced heir in his or her right, the deceased may do so exclusively on the grounds defined by law. The current law provides for six disinheritance grounds: failure to provide necessary assistance in need, failure to sh...