Complex sentence: His first book, "Seyfrieds Runen", was published in 1903 under the pseudomym of Lobesam and in 1908 followed the "Neun Gebote Gots", where Wiligut first claimed to be heir to an ancient tradition of Irminism.
Split into simpler sentences: His first book, "Seyfrieds Runen", was published in 1903 under the pseudomym of Lobesam. In 1908 followed the "Neun Gebote Gots", where Wiligut first claimed to be heir to an ancient tradition of Irminism.