Claim: In 1845, the Wallonian Jacques Piedboeuf, together with Hugo Jakob Talbot, Johann Leonhard Neuman and Theodor Esser, founded the steelworks OHG Piedboeuf & Co, Aachener Walz- und Hammerwerk; taken over in 1851 by Carl Ruëtz, which then continued as the Kommanditgesellschaft Carl Ruëtz & Co – Aachener Hütten-Aktien-Verein Rothe Erde.
Evidence: In 1845 the Wallonian Jacques Piedboeuf, together with Hugo Jakob Talbot and the mechanical engineers Johann Leonhard Neuman and Theodor Esser, founded the steelworks OHG Piedboeuf & Co, Aachener Walz- und Hammerwerk on the site of a former estate. It remained until being taken over in 1851 by Carl Ruëtz, from which point it continued as the Kommanditgesellschaft Carl Ruëtz & Co – Aachener Hütten-Aktien-Verein Rothe Erde.