When Helen Alleman was born on 5 September 1884, in Lower Paxton Township, Dauphin, Pennsylvania, United States, her father, Henry Alleman, was 52 and her mother, Salome Seltzer, was 42. She married Frank Stanley Hassler on 1 June 1916, in Middletown, Dauphin, Pennsylvania, United States. They were the parents of at least 1 son. She lived in Swatara Township, Dauphin, Pennsylvania, United States in 1900 and Swatara, Derry Township, Dauphin, Pennsylvania, United States in 1910. She died on 22 April 1975, in Wilmington, New Castle, Delaware, United States, at the age of 90, and was buried in Shoops Cemetery, Harrisburg, Dauphin, Pennsylvania, United States.