Julia was the first daughter of August Isaacson and Emma Sofia. She was born in Ingelsta Mellangård in Adelöf, Jönköping, Sweden

She had 5 older half-siblings of whom 3 stayed in Sweden when the family emigrated in 1887. Her older sister Ida Matilda (Tillie) and brother David came along.

She married John Rosenqvist. They had 4 children: Ruth, Ruby 1907, Luella 1912 and Clifford 1916.

Julia died 1956- 79 years old.