Article 778 of the French Civil Code
Without prejudice to damages, an heir who has concealed property or rights from an estate or concealed the existence of a co-heir is deemed to accept the estate purely and simply, notwithstanding any renunciation or acceptance up to the amount of the net assets, without being able to claim any share in the property or rights misappropriated or concealed. The rights accruing to the concealed heir and which have or…