The current family of rainbow dash of my world b! It took me all day to change the bases (mainly the base of the Cloud) so I really hope you like it!  
Cloud (ponei half griffin) is only daughter of rainbow dash but blueblood ended up adopting her.
 
Blueblood and rainbow dash belong to: and  
Cloud,Water Dash and Clay belong to:
 
I’m going to try to draw all the families, but let’s see what’s going to happen …  
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Used bases:
 
Most of the bases were made by:  
Rainbow dash: fav.me/d7bnm7p  
Blueblood: fav.me/d558ezh  
Water Dash: fav.me/dalprl8  
Clay: fav.me/da6etyi  
Cloud: fav.me/d8upt3n
 
Wing base and unicorn horn were made by:  
Wing: fav.me/d934wn3  
Horn:fav.me/dbc3c6y  
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I’m sorry because I used google translator
 
What I added: The History
 
The story I created was that Rainbow met that griffin in a training. They dated and she got pregnant but he did not call and left, leaving Rainbow depressed and sad, not wanting to leave the house. In the middle of Rainbow’s pregnancy, she found Blueblood since he had gone to Ponyville to help and play his role as prince in town.  
On that day, Fluttershy tried to gently push Rainbow for her to walk and stroll through Ponyville, and when blueblood saw her condition, he was devastated and moved, and wanted to help her the moment he discovered her story, and then he began to go in the rainbow house every day to cheer her up.  
It all started as a friendship, he was there for her sad moments, and even if he did not realize it, it helped him to be a kinder and better unicorn to others. They became best friends and after Cloud was born, they started to to face the feelings they had for each other in a different way, they began to date.  
The real cloud father never showed up again, but that was no problem because Blueblood was able to take care of everything.
 
Note: Blueblood already had a pen for rainbow because almost always he went to Ponyville to do the same work (to see if everything was okay and help put in what he could) and when he saw it, it turned all red. This motivated even more the will to help her, but he was not self-seeking and managed to control his feelings, he waited months and finally was rewarded, they got married and soon after she became pregnant again
 
This drawing is old so there is a missing character, who is a child of Rainbow with Discordia, like they were best friends then she got pregnant but he did not abandon her, he always helped as he could, then she met the griffin, then gave all this confusion Vortex (the name of their son) lives with rainbow to this day and visits his father from time to time. Even though he is angry and angry at everything, he believes that his real father is Blueblood.  
Discordia did not help her in the story with Griffin because he had his own problems, this I think I’ll explain later.
 
Another note: Rainbow had also become sad in the second pregnancy because she was already single, that is, she was abandoned twice, but the second she had someone to vent, and then she finally found her true love!