When Benjamin D. Amerman was born on 29 January 1881, in Salem Township, Steuben, Indiana, United States, his father, William S Amerman, was 25 and his mother, Frances Rebecca Silvey, was 22. He married Kate May Grossman on 17 December 1902, in LaGrange, Indiana, United States. They were the parents of at least 1 son. He lived in Batavia Township, Branch, Michigan, United States in 1900. He died in 1950, at the age of 69, and was buried in Woodruff Cemetery, LaGrange, Indiana, United States.