Jahnava

http://www.stephen-knapp.com/jahnava_mata.htm
Jahnava Devi is the wife of Nityananda Prabhu, a 15th-century leader of Gaudiya Vaishnavas in Bengal, .She became a leading figure and a diksa guru head of sampradaya.

She was ordered by Gopinatha to get a proper Radharani murti for Him. There was a proper size and everything. And so then she went back to Gaudadesh to get a Radharani Deity for Gopinatha in Vrindavana.

Site
http://radhagopinath.com/

http://0wm1.blogspot.com/search/label/Jahnava

Blog
http://radhagopinathmandir.blogspot.com/
https://jahnavanitaidasi.wordpress.com/
https://jahnavi.wordpress.com

Tube

1. https://www.youtube.com/results?search_query=RADHA+gopinath+vrindavan
2. https://www.youtube.com/results?search_query=Jahnava+mata

Incarnation of 

https://www.radhakunda.com/personalities/jahnava_devi.html

Mother Jahnava was going to Vrindavan, she went into one town where all the people were Kali worshippers, Chandi. And they saw that devotees were being respected. They became very envious “Why are they bowing down to Jahnava, why they are bowing down to these Vaishnavas, these villagers? They are rascals, why are they not bowing down to Chandi, Mother Maya? They are not making any goat offering or drinking any wine. They are all offensive.” So they went to Chandi and said, “We are going to chop off the heads of these Vaishnavas, they are so offensive to you, they don’t offer you any goat or wine or anything and they are offensive. We are going to finish them off tonight. Chop off their heads. We will wake up in the middle of the night and do this work for your pleasure.”

Of course, Chandi Maya is the greatest devotee. She tolerates these demons. But when they want to offend the Vaishnavas she cannot tolerate. So she appeared in their dreams as soon as they went to sleep. Her eyes were flaming red and her hair was scattered and she was accompanied by her she-demons. She had her huge chopper I n her hand and she told them, “I’m going to chop off your heads! You don’t know who is Jahnava. She is my worshippable Deity. She is the Antaranga-shakti. These are all Vaishnavas. They are pure devotees of Krishna, my eternal master. You are going to chop their heads off? If you do not beg them for forgiveness for your offence, I’m going to chop off your heads.” They woke up shaking, ‘Aaaaaahhh! Aaaaahhhh!” They were very afraid of Chandi. They ran to the Vaishnavas and fell down at their feet, “Please, please, we did not know who you are. Please forgive us. Mother Chandi has told us, now we know who you are. Please, please instruct us what is devotion, who you are, what we are to do? We have committed so many offences.” So of course Jahnava being an ocean of mercy, blessed them with ecstatic love for Nita-Gaura. And they became devotees. They stayed there for a few days. Jahnava and other devotees were going to Vrindavan. They turned the whole village into pure devotees, there were demons there before. They turned them into pure devotees.