Wood wholesaler, steam planer and sawmill factory - Anselm Heinrich Dülken & Co.

In the second half of the 19th century, the merchant Anselm Heinrich Dülken founded the company A.H. Dülken & Cie. in Deutz as a general partnership, with Joseph Dülken and Isidor Dülken as co-partners.After Anselm Heinrich Dülken left the business in 1886, Gottlob Graf became a new partner, and at the end of 1894 the general partnership was converted into a limited company with a share capital of 500,000 marks; Josef Dülken had died in the meantime. His widow and Isidor Dülken each subscribed an additional 200,000 marks, Gottlob Graf 12,281 marks, and in addition to Isidor Dülken and Gottlob Graf, the businessman Isaak Wallerstein was appointed as the third managing director.At the turn of the century, Isidor Dülken and his brother-in-law David Ichenhäuser relocated the company to Porz.In addition to the timber trade, the steam planing and sawmill, a parquet factory was now added, and later the sons Ernst Dülken and Karl Dülken joined the company. son Heinrich Dülken received sole power of attorney in 1913. he served in the 5th Reserve Infantry Regiment 69 and on September 25, 1915 in the 1st World War. In his honor, Isidor and Ernst founded the Heinrich Dülken Foundation in 1916. It was intended to make it easier for Jewish agricultural workers in Palestine to start a family. In the 1920s, Ernst Ichenhäuser succeeded his father. When Isidor Dülken and Karl and Cilli Dülken's ten-year-old son Heinz died in 1932, Karl Dülken, Isaac Wallerstein and Ernst Dülken became the managing directors.The Nazi takeover led to the forced sale of the company. Ernst and Karl Dülken were able to emigrate with their families to the Netherlands in 1937 and on to France, where they managed to escape to the USA after their internment. Their sister Johanna Netta Dülken remained in Cologne, was deported to Riga in 1941 and died there in 1942.David Ichenhäuser died at the age of 95 in Theresienstadt.son Ernst survived Auschwitz.