Bad Schönborn is a municipality in northern Karlsruhe district in Baden-Württemberg, Germany. It is located on the Bertha Benz Memorial Route. In 1971, two previous towns Bad Langenbrücken and Bad Mingolsheim were combined, and the town was named Bad Schönborn after Damian Hugo von Schönborn, archbishop of Speyer, who built Kislau Castle i…Bad Schönborn is a municipality in northern Karlsruhe district in Baden-Württemberg, Germany. It is located on the Bertha Benz Memorial Route. In 1971, two previous towns Bad Langenbrücken and Bad Mingolsheim were combined, and the town was named Bad Schönborn after Damian Hugo von Schönborn, archbishop of Speyer, who built Kislau Castle in Bad Mingolsheim.