If more than one seller concurred in the sale of an immovable owned by them in indivision, or if each of them sold separately his share of the immovable, each seller may bring an action for lesion for his share.
Likewise, if a seller died leaving more than one successor, each successor may bring an action for lesion individually for that share of the immovable corresponding to his right.
La. C.C. § 2600