Eduard was born on February 7th, 1856. Eduard's father was Andreas Flach and his mother was Natalie Boda. His paternal grandparents were David Flach and Magdalena Bühelin. He had a brother and a sister, named Heinrich and Berta. He was the second oldest of the three children. He died at the age of 55 on February 4th, 1912 in Augsburg.