Heritage family.-is an institution of public interest which aims to affect one or more goods to protect the family economically and sustain home. It is the set of goods that have been expressly for the benefit of the family unit, as a result of which acquires certain characteristics: inalienable, imprescriptible, unattachable ( arts. 2474 does maximum 2512 - and following CCDF based on art. 27 fracc XXVII Const.? )