From left to right -
 
Apple Muffin  
Parents: Sugar Belle, Big Macintosh  
Gender: Cis stallion  
Orientation: Bi  
Special talent: Baking  
Personality: Generous, hard working, sweet, family-orientated  
Voice: TBA
 
Honeycrisp  
Parents: Fluttershy, Big Macintosh  
Gender: Cis mare  
Orientation: Pan  
Special talent: Match making  
Personality: Romantic, sassy, bold, a gossip  
Voice: TBA
 
Bellflower Apple  
Parents: Fluttershy, Big Macintosh  
Gender: Cis stallion  
Orientation: Gay  
Special talent: Flower arrangement  
Personality: Gentle giant, timid, quiet, loving  
Voice: TBA
 
Applebee  
Parents: Fluttershy, Big Macintosh  
Gender: Cis filly  
Orientation: Straight  
Special talent: Undiscovered  
Personality: Outgoing, sporty, adventurous, curious  
Voice: TBA
 
Bases by SelenaEde