Around 1418 they also did financial business in Paris and were involved in mining companies. It was them who built the four manors, the so-called green, red, white and yellow castles, and the fortified church at the village's market square. Famous painter Albrecht Dürer, a friend of councillor and Schultheiß Martin Geuder III (1455–1532), made the first graphical depiction of the village of Heroldsberg in 1510, with Geuder's newly built Red Castle in the foreground.
Around 1418, they also engaged in financial dealings in Paris and were connected to mining enterprises. It was them who built the four manors called green, red, white, and yellow castles, as well as the fortified church at the village's market square. The celebrated painter Albrecht Dürer, a friend of councillor and Schultheiß Martin Geuder III (1455–1532), produced the first visual depiction of Heroldsberg in 1510, with Geuder's newly constructed Red Castle prominently displayed.