Samudra Ganga

from Samudra - Original - 

https://freeglobaluniversity.blogspot.com/search/label/Ocean

http://www.kamakoti.org/kamakoti/brahma%20vaivartha/bookview.php?chapnum=22

1st Incarnation

https://www.google.com/search?q=Mahabhisha

https://harekrishnainfo.blogspot.com/search/label/Ganga

2nd Incarnation

http://bachelorpledge.blogspot.com/search/label/Shantanu

https://harekrishnainfo.blogspot.com/search/label/Ganga

3rd Incarnation

Srimati Gangadevi, who was none other than Mother Ganga herself. Her husband Madhavacarya was an incarnation of Raja Santanu

https://www.google.com/search?q=Virabhadra+Prabhu