Heinz Steinitz
Three sons were born to Heinz Steinitz and Dr. Ruth Steinitz. Each turned to sciences: Raphael Steinitz, an astrophysicist, is a Professor Emeritus at the Department of Physics, Ben-Gurion University of the Negev, Be’er Sheba; Gideon Steinitz, a senior geologist, was the former Head of the Geological Survey of Israel, Jerusalem; and Benjamin Steinitz, a plant scientist retired as a senior research scientist in the fields of plant physiology and horticulture at the Institute of Plant Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion.
Max Stirner
Stirner married twice. His first wife was Agnes Burtz (1815–1838), the daughter of his landlady, who he married on 12 December 1837. However, she died from complications with pregnancy in 1838. In 1843, he married Marie Dähnhardt, an intellectual associated with "Die Freien". They divorced in 1846. "The Ego and Its Own" was dedicated "to my sweetheart Marie Dähnhardt". Marie later converted to Catholicism and died in 1902 in London.