This site is dedicated to the descendants of Wilhelm Wurtz, Henry Hackley, George Thomas Lay, Johannes Von Der Lindt, John Georg Mann, Thomas Speake, Christian Deyo and Hermann Hommel
Age-related calculations are based on individuals with recorded birth and death dates. Due to the existence of incomplete date fields(e.g., a death date listed only as "1945" or "BEF 1860"), these calculations cannot be 100% accurate.