First Row:
Princess Platinum
she/her lesbian
A delicate hoof for nurturing the hurt, although she had prejudice to those who were not like her, she found the beauty and strengths in all of the people of Equestria.

Commander Hurricane One-Eye
he/him straight
A boisterous voice that can lead anypony, although he once lead by fear, he found the value of having the trust and respect of your juniors.

Chancellor Pudding Pop
they/them bisexual
A clever mind who can think outside the box, although they once dismissed criticisms, they found the importance to acknowledge the opinions of others.

Second Row:
Clover the Clever
he/him asexual
A youthful curiosity

Pansy Dewdrop
she/her lesbian
A youthful kindness

Smart Cookie
she/her straight
A youthful honesty

Headcanons:

• The place in where the six ponies first placed their united flag of Equestria, is where we all now call Ponyville.
• Princess Platinum is the great ancestor of Prince BlueBlood and Mayor Mare
• Pansy Pup is the great ancestor of Fluttershy
• Smart Cookie is the great ancestor of Pipsqueak and Spitfire
• Chancellor Pudding was the first recorded non-binary pony of Equestria.
• Princess Platinum became a doctor
• Smart Cookie started a school, the now Ponyville Schoolhouse.
• Hurricane One-Eye retired from his authoritarian personality to become the first mayor of Ponyville, co run with Platinum and Pudding.

Although the three leaders of the tribes had the same straightforward idea to find new land. Their three subordinates did it for personal reasons.

• Clover the Clever was a failed student of Star-Swirl and left with Princess Platinum to redo his life.
• Pansy Pup was afraid of losing face for her family as demotion loomed over her head, she thought that if she succeeds in finding new land with Commander Hurricane, than she might be promoted.
• Smart Cookie was enamored with Chancellor Pudding Pop and followed them in hopes to gain favor.

Other headcanons:
• Smart Cookie marries Hurricane and gives birth to a whole bundle of kids.
• Hurricane has a sweet tooth, but dentistry wasn’t made just yet, so he has alot of golden teeth.
• Pansy helps create the foundation for Cloudsdale, at first the sister village to Ponyville where pegasus could be more in tune with weather control.
• Pudding Pop has a knack for creating statues
• Decades later, after Celestia and Luna become rulers of Equestria, Clover went into the Everfree Forest for a expedition, he was never seen again.

//I might do a star swirl headcanon too. Im well aware of the inconsistencies in canon compliance :3