Matthias I (1656-1743) founded the Mittenwald school of violin making after study with Jacob Stainer and Nicolo Amati. Typical labels:
in Mittenwalt Anno 1725.Instruments by Sebastian I (1696-1768) are probably the most admired among the many existing examples by this family. Some instruments which have been identified as Sebastian's work bear his father's label. Typical labels:
Joseph (1743-1819), son of Sebastian, worked in a manner similar to that of his father.
The quality of their instruments varies enormously, and many inferior, unauthentic examples have labels bearing the Klotz name.
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