Complex sentence: Earliest reference to the Speich Family dates back to the first half of the 13th century and indicate that the family was established in the "Sernftal", which is presently located in the Canton of the Glaris, Switzerland.
Split into simpler sentences: Earliest reference to the Speich Family dates back to the first half of the 13th century. These early documents indicate that the family was established in the "Sernftal", which is presently located in the Canton of the Glaris, Switzerland.