The Race of Sages - Verse 74-76

He begot of them ten sons, all equal to him. They had no names. All the ten were purified by great penance. They were the sages famous by the name ‘Svastyatreyas.’ They were masters of Vedas. Among them, two were very famous, powerful and expounders of Brahman the eldest was Dattatreya and Durvasas was his younger brother. The youngest daughter was Abala who expounded Brahman. In this connection, the forzper ( ancient) Pauranikas cite this verse.