Dorothy is listed as the 7y old daughter of Joseph Schuller, 52, b. in Bavaria, Germany, and Maggie Schuller, 46, b. in Hesse-Darmstadt. Also in the household a 2 older half-siblings: [Augusta] M. Rudert, 24, & Hillmer Rudert, 23.
According to Jeffrey P. Yoest, DDS, Dorothy's mother was Augusta "Gussie" Rudert, step-daughter of Joseph Schuller. Dorothy was Gussie's only child. Dorothy preceded her mother in death.