UPDATE
now that the one character I wanted to reveal in a different post has been posted, let me introduce you to these little ones.
Left to Right:
Bottom:
Summer harvest, The youngest daughter of FlutterShy and Big Mac
Typhoon and Monsoon, Twin sons of AppleBloom and Scootaloo

Middle:
Currently unnamed, Daughter of Gabby and Terramar
Tropical Sunrise, Son of AppleJack and Rainbow Dash
Andromeda, Youngest daughter of Twilight Sparkle and Flash Sentry

Top:
Currently unnamed, daughter of Sweetie belle and Button Mash

(Summer Harvest, Typhoon, Monsoon and Tropical Sunrise are all cousins through the apple siblings. Typhoon and Monsoon are also cousins with Andromeda through Flash and Scootaloo being siblings)