It was a boy and he was named after his father. Eystein archbishop of Nidaros. Having been granted a writer's scholarship Sigrid Undset set out on a lengthy journey in Europe.
In 1924 Sigrid Undset converted to Roman Catholicism. Her best-known work is Kristin Lavransdatter a trilogy about life in Scandinavia in the Middle Ages portrayed through the experiences of a woman from birth until death. Sigrid Undset (20 May 1882 – 10 June 1949) was a Norwegian novelist who was awarded the Nobel Prize for Literature in 1928.