Also if you never seen me before, I am active on the Fallout side but I also play Elder Scrolls.
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It was once believed that the Maormer of Pyandonea were originally exiles from the Summerset Isle, but while it is likely they came from similar Aldmeri ancestors, they certainly did not come from Summerset. Translations of tapestries in the Crystal Tower tell the tale of a far older enmity.
I got a friends opinion and this is what I got.
You could say they were a group of ships that got lost in the exile from Aldmeris and landed on Pyandonea. They'd have a longer time to develop their own culture and customs.
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What does it mean also can you help me with this.
The Maormer were likely separated from the ancient Aldmer not in Summerset, but in their original homeland of Aldmeris.
And this speculation theory. http://www.imperial-library.info/content/could-pyandonea-aldmeris
What do you think?