Mucia was the daughter of unknown parents. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Caius Marius Minor. They were married, but the date and place have not been found. They had no known children.
Her second husband was Gnaeus Pompeius Magnus. They were married, but the date and place have not been found. Their only known child was Pompeia Magna (<0075BC-<0035BC).
Note 1
She was the daughter of Quintus Mucius Scaevola, the pontifex maximus, consul in 95 BC. Her mother was a Licinia that divorced her father to marry Quintus Caecilius Metellus Nepos, in a scandal mentioned by several sources.