Anitsilvsgi "Flower" Albertson - Cherokee or Weapemeoc?

There is not a known Cherokee history before European contact some hundred years later. Her supposed husband however was real, but nowhere near Roanoke that we know of.

Chemistry at Jamestown, Virginia National Historic Chemical Landmark. Dedicated October 10, 2007, at Historic Jamestowne, Virginia.

The evidence of perfumery at Jamestown links with medical and apothecary pursuits. Perfumer Robert Alberton produced scented preparations. An earthenware fuming pot has been discovered which might have used a burning substance—obtained from a perfumer—to fumigate for medical purpose. In fact, the advancement of perfumery using New World resources was a priority in an exploratory voyage to the Chesapeake Bay before the founding of Jamestown. Samuel Mace's 1602 voyage to Virginia aimed to search for the Lost Colonists of Roanoke and search for plants, seeds, and bark of flora identified during a previous voyage as useful for perfumery and apothecary.

Robert Alberton, Perfumer

https://kalbritton7256.angelfire.com/first_albrittons.htm

THE ANCESTRAL HISTORY OF THE ALBRITTON FAMILY. The following history has been assembled from facts gathered from Bobby G. Albritton of Marietta, GA, R. W. Hemingway of Salt Lake City, and the Genealogical Library in Bartow, Florida.

The first known reference to an ALBRITTON is discovered in Strafforshire County, England, where the name appears in the registry of Haughton Parrish in 1570 as "Albrighton".
According to Dr. E. C. Albritton of Washington, D.C., the first Albritton to migrate to the new world was one ROBERT ALBERTON, a perfumer (or pharmacist), who arrived at the Jamestown Colony in the year 1608 on the secod supply ship sent over from England. The ship ws commanded by a Capt. Newport and carried a supply of settlers, and among them were two females with no provisions. Even then, the Albrittons were having trouble with people misspelling their name. "Alberton" was entered in the ship's log by a ship's clerk, but the earliest spelling was "Albrighton". If Bob had missed the boat, we'd still be in Albridgton County, England.

William Alverson Seems his only possible child.

The Nicolas seen attached was this 'Nicholas Albeson the Swede' and he would have come directly from Europe.

https://www.genealogy.com/ftm/g/r/e/Barbara-E-Green/GENE12-0001.html

Four Alverson brothers came to America about 1700 from Scotland. Some say that they were not Scotish, but Swedish and that they just stopped over in Scotland before coming to America. Of the four brothers, one settled in New York, one in Rhode Island and one, possibly two settled in Virginia.First known recorded birth was William Alverson, Providence, RI in 1738.

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But the Perquimans North Carolina stuff seems to come (retroactively) from Albert Albertson, Sr. - who was probably not the son of Nicholas.