是尽了主要义务。 遗嘱只处分个人财产。遗产按继承法依法分配，儿子可多分，但也要考虑家庭和谐。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             

遗产按继承法依法分配，儿子可多分


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有遗嘱的话按遗嘱来分，没有遗嘱的话所有继承人共同分割，不过如果对父母尽得养老义务比较多的话可以多分