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.
Karl Dönitz
On 27 May 1916, Dönitz married a nurse named Ingeborg Weber (1894–1962), the daughter of a German general Erich Weber (1860–1933). They had three children whom they raised as Protestant Christians: daughter Ursula (1917–1990) and sons Klaus (1920–1944) and Peter (1922–1943).