Solomon Bromet (b. ca. 1862), a diamond cutter, emigrated from the Netherlands to the United States around the turn of the 20th century. He and his wife Annie (b. 1860), a native of Ohio and herself the daughter of Dutch immigrants, had two sons, both born in the Netherlands: Julius S. (b. ca. 1889) and Louis (b. September 25, 1889). The family returned to the United States in 1894 and settled in New York, where the three men were naturalized in 1914. Julius Bromet entered the United States Army as a private before March 1917, serving with the 305th Field Hospital, 302nd Sanitary Train (later the 305th Ambulance Company). He left for France in April 1917 and remained there through the war, earning a promotion to sergeant in July 1918. He returned to the United States in May 1919. Julius and his wife Sadie, the daughter of a Russian father and Romanian mother, had at least one daughter, Florence (b. ca. 1926).
Louis Bromet and his wife Wilhelmina moved to Queens, New York, where he worked for Gaumgold Brothers. He died in Nassau, New York, in January 1972.