In der Maur (also written as In der Mauer, Indermaur, Indermauer) is an ancient Swiss family. Throughout the Middle Ages and Renaissance, the family held positions of political and economic power as members of the bourgeoisie in Berneck, St. Gallen and as members of the lower nobility in Kurtatsch an der Weinstraße. The In der Maur von Berneck family were first granted a coat of arms in 1478, when Hermann In der Maur was appointed as the Ammann of the Abbot of St. Gallen of Berneck— a position the family continued to hold throughout the reigns of the Prince-Abbots of the Abbey of Saint Gall within the Holy Roman Empire. Members of the family also served as Imperial tax collectors and as clerks of the Court of Berneck. The first member of the family to hold the position of Ammann in Berneck