As we all know, Song Jiang is a charitable person. He bought a coffin for Yan Xijiao's father, paid a lot of money for Yan Po and her daughter, and finally married her daughter. For another example, Song Wu once helped Song Wu when he was most down and out in life. Later, Li Kui jy was heavily in debt, and he gave Li Kui jy 12 ounces. Nickname "Hu" and nickname "Timely Rain". He has dark skin and short stature, and everyone calls him "Black Sung River". In addition, because of his filial piety and generosity, everyone called him "filial piety and black saburo".
In feudal times, no matter "filial piety" or "unfilial", it is inseparable from "three evils". Song Jiang has reached the age of "thirty", but he is not married and has no children. This is the so-called "no queen". As a model in Wulin, Song Jiang doesn't care about his marriage or whether his father has grandchildren, but from this point of view, Song Jiang is really not "filial".
Song Jiang killed someone and forced his father to break up with him. During the search in the yamen, Song Taigong produced a "proof of breaking diplomatic relations" with his son to avoid being implicated, which shows Song Jiang's "filial piety". Song Jiang doesn't want to involve his relatives because of his mistakes. Later, several friends wanted Song Jiang to farm, but Song Jiang declined politely as an "old father". He doesn't want to be a man in a deep forest and embarrass his father, which can also be said to be "filial piety."
However, Song Jiang escaped from Jiangzhou execution hall and decided to go to Liangshan, but he had to go back once before going to Liangshan. Its intention is very simple, that is, to receive his father and brother Song Qing from Liangshan, which is a dedication to Song Jiang's adventure. Song Jiang is not a dutiful son in terms of children, but he is very filial to his parents and brothers.