Bettie Lou Robertson was born on 11 March 1869, in Benton, Arkansas, United States as the daughter of Unknown Robertson. She married Edwin Luther Featherston on 14 December 1884, in Bentonville, Benton, Arkansas, United States. They were the parents of at least 2 sons and 4 daughters. She died on 18 June 1900, in Centerton, Benton, Arkansas, United States, at the age of 31.
Scottish and English: patronymic from the Middle English, Norman French, and Older Scots personal name Robert + -son. This surname is especially common in Scotland, where Robert was a popular personal name and the name of three kings of Scotland, including Robert the Bruce (1274–1329).
Americanized form (and a rare Swedish variant) of Swedish Robertsson: patronymic from the personal name Robert .
Americanized form of Norwegian and Danish Robertsen, a cognate of 1 above.