其遺產(chǎn)繼承有遺囑的按照遺囑繼承,按照遺囑繼承或者遺贈(zèng)辦理;有遺贈(zèng)扶養(yǎng)協(xié)議的,繼承開始后,【法律依據(jù)】老人去世遺產(chǎn)應(yīng)該如何繼承,