What is the relationship between Wang Xizhi and Wang Xianzhi, calligraphers in Jin Dynasty?

Wang Xizhi and Wang Xianzhi, calligraphers of Jin Dynasty in China, were father and son. Wang Xizhi is the father and Wang Xianzhi is the son.

Wang Xianzhi (344-386): A famous calligrapher, poet and painter in the Eastern Jin Dynasty, the seventh son of Wang Xizhi, a book sage.

Wang Xizhi: Shao Yi, Han nationality, was a famous calligrapher in the Eastern Jin Dynasty, known as the "Book Sage". The masterpiece Preface to Lanting is known as "the best running script in the world". In the history of calligraphy, he and his son Wang Xianzhi were called "two kings".