The will is made obligatory before the death of anyone of you who is leaving some property behinds to bequest it equitably to his parents and relatives. This is a duty incumbent on the righteous.
Meaning:-
Obligatory: compulsory, mandatory
Bequest: legacy, inheritance, endowment, settlement;
Equitably: fair, just, impartial
Incumbent: necessary for one to, essential that, required that, imperative that;