Many of us do not know that Lord Krishna brought back the six sons of Devki (seventh and eighth being Balrama and himself) for a brief reunion. Names of these six sons are Smara, Udgitha, Parishvanga, Patanga, Kshudrabhrit and Ghrini.
These six sons were earlier grand sons of Hiranyakashyap and they were living under a curse.
Read other facts about Lord Krishna here: