Royal is the brother of Almanzo Wilder.
Almanzo is the husband of Laura Ingalls Wilder.
Mrs. Wilder wrote the "Little House on the Prarie" books, which you can read about Royal in the book titled "Farmer Boy".
Royal owned and operated a store in Spring Valley, Minnesota
Electa Maria Averill Wilder
1857–1926 (m. 1893)
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