In 1984, Landon told The New York Times why he and the network decided to end the show. The Ingalls lived in Wisconsin until 1874, when Laura was seven, and they moved near Plum Creek in Walnut Grove, Minnesota. Laura and Almanzo adopt Almanzo's niece, Jenny, following the death of his brother, Royal Wilder. Why did the Ingalls move to the city in Season 9? Charles Ingalls is the husband of Caroline Ingalls and the father of Mary, Laura, Carrie, Charles Jr. Caroline, Charles and their children left the big woods and went to Kansas. The Ingalls family (apart from Laura) leave Walnut Grove and move to Iowa. Search Sitcoms Online: