From source:
 
After thinking about Ponet and his many affairs, I started pondering about how many foals he actually has.  
–As a bonus I’m shipping Pokey together with Pinkie Pie and Cheese Sandwich, since both pairs were too cute to decide on.
 
Parents: Early Grey and Crochet  
Their sons: Ponet Pierce, Perry Pierce, Pokey Pierce  
Perry’s girlfriend: Sweet Biscuit  
Pokey’s partners: Pinkie Pie and Cheese Sandwich  
Ponet’s affairs: Derpy hooves (currently with Dr. Whooves), Berry Punch (currently with Colgate), Shoeshine (currently with Cherry Berry), Mare E. Lynn  
Ponet’s illegitimate Foals: Dinky Doo, Crackle Pop, Dipsy Hooves, Berry Pinch, Bloo, Sun Glimmer  
Derpy and Dr. Whooves’s foal: Chirpy Hooves  
Dinky’s Boyfriend: Pipsqueak
 
My Little Pony: Friendship is Magic (C) Hasbro