1. The grandmother does not inherit except from these sources: the mother’s mother, the father’s mother, and the mother of the father’s parents, even if they maternally ascend. The father does not exclude his mother, nor his father’s mother. 2. The grandmother inherits “one-sixth” in the absence of the mother, and the inheriting grandmothers share “one-sixth” if they are multiple, and the distant grandmother on the father’s side is excluded by the close one on the mother’s side, and the distant grandmother on the mother’s side is not excluded by the close one on the father’s side, in which case they share “one-sixth”.
Interpretation and application must be checked against the official text and current version.