赡养老人是子女的法定义务,该义务不可通过协议而转让。遗产继承开始于被继承人死亡之时,因而在被继承人死亡之前不发生继承,也无所谓遗产的分割。丧偶的儿媳对于公婆若尽了主要的赡养义务,则享有继承公婆遗产的权利。公民依法享有的对集体土地的使用经营权可由继承人继承。 To support the elderly is a legal obligation of the children and the obligation can not be transferred through the agreement. Inheritance inherits from the death of the deceased, so inheritance does not occur until the death of the deceased, nor is it the partition of inheritance. Widowed daughter-in-law has the right to inherit the property of her in-laws as to her in-laws who have done major maintenance obligations. Citizens’ enjoyment of the right to use collective land according to law may be inherited by heirs.