Balaram's Revati and Varuni - For Lord Nityananda become Jahnava and Vasudha - For Lakshmana Merge to Urmila

http://divineentrance.blogspot.com/search/label/Revati
http://satcitant.blogspot.com/search/label/marriage
http://fastinginformation.blogspot.com/search/label/Varuthini

Sometimes in avatars, personalities may merge into one, (which is what happened with the consort of Lakshmana, Urmila devi, who is combined avatar of Revati and Varuni)
https://freeglobaluniversity.blogspot.com/search/label/Laksha