bharyayam tantave 'rthitah
rathitarasya-of Rathitara; aprajasya-who had no sons; bharyayam-unto his wife; tantave-for increasing offspring; arthitah-being requested; aṅgirah-the great sage Aṅgira; janayam asa-caused to take birth; brahma-varcasvinah-who had brahminical qualities; sutan-sons.