Article 2169. Grounds for unworthiness to inherit
(1) A person is excluded from inheritance in the following cases:
a) if it has killed or attempted to kill the deceased;
b) if it has intentionally and unlawfully prevented the deceased from making or revoking a disposition mortis causa;
c) if it has, by deceit or unlawfully by duress, induced the deceased to make or revoke a disposition mortis causa;
d) if it has intentionally and unlawfully hidden, altered, destroyed, or forged a disposition mortis causa made by the deceased.
(2) A parent deprived of parental rights in respect of a child may not be heir on intestacy of that child.
Origin of the regulation: §2339 BGB