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 conducted financial business in Paris and were involved in mining companies. It was them who built the four manors known as green, red, white, and yellow castles, along with 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 pictorial representation of Heroldsberg in 1510, showcasing Geuder's newly constructed Red Castle prominently.