This next gen includes the canon of season’s until season 4 + the movie. In this verse Celestia is Spike’s adoptive mother.
 
Name: Basilisk the great  
Nickname(s): Bass, King  
Parents: Spike, Twilight  
Age: 15  
Status: prince  
Birthday: December 24th  
Species: dragon/pony hybrid  
Gender: male  
Sexuality: pansexual  
Occupation: prince  
Relationship status: single  
Place of birth: Canterlot  
Currently living in: Canterlot  
Personality: strict, cold, introverted  
Likes: meat, gems  
Dislikes: social events  
Fears: n/a
 
Name: Gemmabelle Novastar  
Nickname(s): Gem, Belle  
Parents: Spike, Twilight  
Age: 18  
Status: guard  
Birthday: August 23th  
Species: dragon/pony hybrid  
Gender: female  
Sexuality: homosexual  
Occupation: royal guard  
Relationship status: single  
Place of birth: Ponyvile  
Currently living in: Canterlot  
Personality: nice, nearly emotionless  
Likes: grandmother (Celestia), gems, birds  
Dislikes: filth  
Fears: wars, disappointing her family