Si (sì) is a Chinese character commonly used in female names. In ancient times, Si was used as a female honorific, similar to modern usages such as "Madam" or "Ms." At the same time, Si is also a famous female figure in Chinese history, the wife of Ji Fa, the first monarch of the Zhou Dynasty.
After Ji Fa succeeded to the throne, Si assisted the monarch in handling national affairs as the queen, and made certain contributions to the national politics, economy, culture and other aspects of the Zhou Dynasty. At the same time, Si was also one of the representatives of Zhou Dynasty culture, and was involved in the music, etiquette, music and dance of the Zhou Dynasty.
In addition, Si also appears many times in the "Book of Songs" and is an excellent poet. Her works, in the form of poetry, express her insights and thoughts on Zhou Dynasty society, people's sufferings, family life, etc., and have certain literary value.