The ancestor of Heidenstam was a royal physician, having received the title, took the name von Heidenstam. Werner von Verner von Heidenstam was born on July 6, 1859, the son of aristocratic parents. His father was an engineer specializing in the construction of lighthouses. In his childhood he often spent vacations on Lake Vettern, 250 km from Stockholm, where the family lived in the winter. Nevertheless, the writer considered the estate in Olshamar to be the place where he spent his childhood. In the same place, there was a good library in which he got acquainted with the works of Xenophon, Tacitus and Plutarch.