Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Nandagopā
Nandagopā:A serving woman of Devagabbhā.
Her husband was Andhakavenu.She bore ten daughters,their births coinciding with those of ten sons to Devagabbhā,and exchanged her daughters for the latter’s sons.
These,because they were adopted by her husband,came to be known asAndhavenhudāsaputtā.J.iv.79ff.