Starlight Glimmer

Starlight Glimmer is a from Canterlot and currently works as the guidance councilor for the School of Friendship.

Later life
At some point after becoming the Headmare of Princess Celestia's School for Gifted Unicorns, Starlight may have started a relationship with and had a daughter named Luster Dawn, who went on to become Twilight Sparkle's pupil.