When Rosalia Bachmayer was born on 26 December 1883, in Gänserndorf, Floridsdorf, Lower Austria, Austria, her father, Matthias Bachmayer Sr., was 36 and her mother, Maria Basert, was 37. She married Anton Joseph Schlabs Sr on 13 November 1901, in Georgetown, Williamson, Texas, United States. They were the parents of at least 9 sons and 8 daughters. She lived in Justice Precinct 4, Archer, Texas, United States for about 20 years. She died on 22 January 1964, in Archer City, Archer, Texas, United States, at the age of 80, and was buried in Scotland, Archer, Texas, United States.