Its mainline went southeast from Stockton to Escalon, California and thence to Modesto, California before splitting into two branches ending at the towns of Turlock and Hilmar.
He finished his BA degree in composition at Reykjavik Music College 2001 with Hilmar Þórðarson, and MMus degree in composition at Lund University (Malmö Music University) where he studied with Kent Olofsson and Prof. Luca Francesconi.
Hilmar Grétarsson (born March 8, 1982) is an Icelandic newspaper publisher best known for founding the Reykjavík-based, English language Reykjavik Grapevine with Jón Trausti Sigurðarson and Valur Gunnarsson.
Wilhelm was married on 5 August 1961 at Friedrichshausen, Frankenberg, Hesse, to Oda-Mathilde von Garmissen (born 1935), daughter of Hilmar von Garmissen and his wife Baroness Oda von Houwald.