Itzig, cousin of Lea Soloman and granddaughter of Daniel Itzig Arnold Mendelssohn (1817–1854), a political follower of Ferdinand Lassalle Ottilie Mendelssohn (1819–1848) married Ernst Kummer (1810–1893), mathematician Marie Elisabeth Kummer (1842–1921) married Hermann Schwarz (1843–1921), mathematician Wilhelm Mendelssohn (1821–1866) married Louise Aimee Cauer (sister to Bertha Cauer) Arnold Mendelssohn (1855–1933) composer, married Maria Cauer Descendants of Saul Mendelssohn include: Philibert Mendelssohn, as a mathematician appointed as 'Koenigliche Rechnungsrat' in the Prussian State Survey Kurt Mendelssohn, mathematician, one of Philibert's grandchildren Heinrich Mendelssohn, biologist, also one of Philibert's grandchildren Gallery Children of Moses and Fromet Mendelssohn: Children of Abraham Mendelssohn Bartholdy: Notes References This article was initially translated from the German Wikipedia. External links Guide to the Mendelssohn Family Papers at the Leo Baeck Institute, New York. Business families Jewish-German families