Su Xun, a litterateur in Song Dynasty, became angry at the age of 27, determined to study day and night, and finally became one of the eight masters in Tang and Song Dynasties. Wang Xizhi was a famous calligrapher in the Eastern Jin Dynasty. He keeps practicing calligraphy every day, and then washes his pen in the pond near his home. Day after day, the water in the whole pond was dyed black, like ink. So people call this pond "Mo Chi".

Su Xun (1May 22, 2009-1May 2, 0661066), whose real name is Mingyun, was born in Lao Quan, Han nationality and Meishan, Meizhou (now Meishan, Sichuan). Writers of the Northern Song Dynasty, together with their sons Su Shi and Su Zhe, are world-famous for their literature, known as the "Three Soviets" in the world, and both of them are included in the "Eight Masters of Tang and Song Dynasties".

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Su Xun has made great contributions in the field of genealogy. Su genealogy, which he founded, is one of the methods of compiling genealogy in modern times, which has great influence. It is still an example of genealogy revision in many places and surnames. Its body is parallel, the world order is straightforward, and its ancestry is described in tabular form. In the table, the official position, behavior, spouse, death burial and year of death are recorded, and the descendants are written in turn, and the generations are marked.