Percival Dalton

There are many Little House on the Prairie characters, appearing in various forms of media in the Little House on the Prairie media franchise.

Based on the data from : The Genealogy of Almanzo and Laura Ingalls Wilder

(Laura's maternal great-great-grandparents)
Allan Alexander Morse and Margaret Drummond *These are fictional names. Real names unknown.

(Laura's maternal great-grandparents)
Lewis Tucker (1779–1870) and Martha Gráinne Morse (1772–1862)
William Quiner (1773–1831) and Margaret Doer (1774–1839)

(Laura's maternal grandparents)
Charlotte Tucker and Henry Quiner

Henry Quiner died in October 1844 in the sinking of a trading ship on the Great Lakes. Charlotte Tucker Quiner remarried, to Frederic Holbrook, and they had one child

Charlotte Wallis Tucker was born on May 25, 1809 in Roxbury, Massachusetts (a suburb of Boston). She died September 20, 1884 in Rome, Wisconsin. Her mostly fictionalised story was described in the four-book series The Charlotte Years by Melissa Wiley. Charlotte was maternal grandmother to Laura Ingalls Wilder.

As a young woman, Charlotte married Henry Newton Quiner from Connecticut. She was the first woman in her family to travel west, living in Ohio and Indiana before settling in the frontier town of Brookfield, Wisconsin.

Martha Morse was born on January 2, 1782 in Scotland, where her father was a wealthy landowners in the Scottish Highlands. Her mostly fictionalised story was told in the four-book seriesThe Martha Years, by Melissa Wiley. Martha was Charlotte Tucker's mother and great-grandmother to Laura Ingalls Wilder.

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Wikipedia