When Rosa Lucinda Waples was born on 22 September 1887, in Lafayette, Tippecanoe, Indiana, United States, her father, Elias Waples, was 33 and her mother, Alice Maria McBroom, was 32. She married Albert Frank Knaur on 28 October 1909, in Tippecanoe, Indiana, United States. They were the parents of at least 2 sons and 1 daughter. She died on 21 November 1969, in Santa Ana, Orange, California, United States, at the age of 82, and was buried in North Hollywood, Los Angeles, Los Angeles, California, United States.