 Their mother, Johanna, also had a fine singing voice, and the "Minneapolis Daglig Tidende" credited her with having instilled a love of music in her children.A witty and charming person, Johanna undoubtedly contributed to her daughters' sense of humor as well.Eleonora Olson (1870-1946) was considerably older than her sister and had been performing for several years before starting her own company in 1909.