Article about the real family

I always like to learn about the real story when a movie claims "based off true story". I read through some reviews and saw someone said this happened in the last 70s. That tip lead me here where you can read an article about it and the names of the real family.
http://archives.chicagotribune.com/1979/03/16/page/2/article/shipwrecked-family-saved-after-month-in-deep-freeze