Maharishi Bhrigu (महाऋषि भृगु in Devanagiri) was one of the seven great sages, one of the Saptarshis in ancient India, one of many Prajapatis (the facilitators of Creation) created by Brahma (The God of Creation) , the first compiler of predictive astrology, and also the author of Bhrigu Samhita, the astrological (Jyotish) classic written during the Vedic period, Treta yuga, most probably around 3000 BC 
Bhrigu is a ManasaPutra (wish-born-son) of Lord Brahma, who simply wished him into existence, to assist in the process of creation, for this reason he is also considered one of the Prajapatis.
He is married to Khyati, the daughter of Daksha. He has two sons by her, named Dhata and Vidhata  His daughter Shri, was married Lord Vishnu (Narayana). Thus in some traditions, Laxmi, the consort of Lord Vishnu is said to be his daughter.
He has one more son, who is better known than Bhrigu himself - Shukra. The sage Chyavana is also said to be his son. [Maha:1.5]
Sage Bhrigu finds mention in the Vayu Purana, where he shown present during the great Yagna of Daksha Prajapati (his father-in-law) 
In the Bhagavad Gītā, Lord Krishna refers to Sage Bhrigu, by stating "Of the Rishis, I am Bhrigu" .
The Bhrigus, also known as Bhargavas, are a clan of sages descending from the ancient fire-priest Bhrigu. They instituted the ritual of offering the juice of the Soma plant to the old deities. Some of them were also warriors in addition to being priests. The Bhrigus are intimately linked with the composition of the Atharva-Veda & Rig Veda.The gotras Vatsa,Bida,Arshtisena,Daivodasa,Yaska,Shaunaka belong to Bhrigu clan.
The prominent personalities (pravara) mentioned in the puranas of this clan include: Bhargava, Chyavana, Aapnavaana, Aurava, Jamadagnya (Son of Jamadagni, Parashurama).
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