PONIES FROM TOP TO BOTTOM, LEFT TO RIGHT
Sunbeams* –[married]– Clear Days* |–~~[brothers]–~~| Sunrays –[married]– Seascape
Starlight Glimmer –[married]– Sunburst |––~~[cousins]––~~| Sunset Shimmer –[married]– Flash Sentry
Supernova — Sunspot — Aurora Blaze |––~~[second cousins]––~~| North Start — Daybreak