Sebuah julukan (yang diberikan pada masa muda) yang artinya "kuning kecil;" karena Hanfstaengl dewasa memiliki tinggi seukuran 6'4".
Toland, John (1976). Adolf Hitler. Doubleday & Company. hlm. 128. ISBN0-385-037244.
(Toland)
Some authorities suggest that Hitler was romantically involved with Erna, a tall and stately woman, or had romantic affections for her. Shirer, William L. (1960). The Rise and Fall of the Third Reich. Simon and Schuster. hlm. 131.
("Shirer"). See also Wikipedia article on Geli Raubal. While some historians have written that Hitler was nursed by Erna (and her mother) at Uffing following the Beer Hall putsch, Toland claims that this is a myth, resulting from the misinterpretation of the American journalists who interviewed the three Hanfstaengl women (the mother, sister and wife of Ernst) immediately after Hitler's arrest by the authorities. Toland, p. 181 (footnote).
sedgwick.org
See A Sedgwick Genealogy: Descendants of Deacon Benjamin Sedgwick (p. 143) at sedgwick.org (Sedgwick Genealogy). His elder brother Egon served in the German Army in World War I and was killed in 1915; his younger brother Erwine died of typhoid in the American Hospital in Paris in 1914.