• Thumbnail for Von der Leyen (family from Krefeld)
    Krefeld house after winning the Battle of Krefeld in 1758. Franz Heinrich Heydweiller inherited the silk-stocking business in 1749 from Peter's widow, who...
    19 KB (2,481 words) - 05:40, 4 January 2025
  • Thumbnail for Georg Ludwig von Maurer
    married to a member of the Krefelder silk family Heydweiller, Johanna Wilhelmina Friederike Heydweiller. Their only son, Konrad von Maurer (1823–1902),...
    5 KB (588 words) - 04:19, 20 September 2024
  • Thumbnail for Leo De Maeyer
    413 (1955) Deutsches Museum Bonn: Impedanz-Messbrücke Kohlrausch, F.; Heydweiller, Ad. (1894). "Ueber reines Wasser". Annalen der Physik. 289 (10): 209–235...
    13 KB (1,596 words) - 17:05, 28 June 2024