Eduard Freiherr von der Heydt (September 26, 1882 – April 3, 1964) was a German and Swiss banker, art collector and patron.

[1] Heydt's collections were the basis for the creation of the Museum Rietberg in Zürich, Switzerland.

[2] He was also the former owner of Monte Verità, a well-known site of many different Utopian and cultural events and communities, which upon his death became the property of the Swiss Canton of Ticino.

After the Second World War, he was arrested for treason for his handling of payment transactions for the German intelligence service under Wilhelm Canaris.

[4] Daniel Heinrich von der Heydt(1767–1832)∞ 1794 Wilhelmine Kersten(1771–1854) Johann Wilhelm Blank(1773–1846)∞ 1796 Sibilla Helene Simons (1776–1839) Johann Peter Boeddinghaus(1751–1826)∞ 1778 Maria Helene Funcke (1760–1824) Johann Abraham Siebel(1773–1830)∞ 1796 Isabella Margaretha Siebel (1775–1844) Johann Kaspar Haarhaus(1749–1828)∞ 1784 Anna Christina Bargmann (1760–1802) Johann Peter Bargmann(1774–1852)∞ 1798 Ida Baltz (1780–1863) Johann Jakob Aders(1768–1825)∞ 1793 Anna Helene Brink (1770–1844) Johann Peter Boeddinghaus(1788–1837)∞ 1813 Amalia Middendorf (1793–1823) August Freiherr von der Heydt(1801–1874)∞ 1824 Julie Blank (1804–1865) Karl Heinrich Boeddinghaus (1797–1872)∞ 1823 Sophie Siebel (1802–1885) Jacob Wilhelm Haarhaus (1798–1881)∞ 1830 Johanna Sophie Bargmann (1803–1872) Alfred Aders (1809–1880)∞ 1835 Bertha Boeddinghaus (1814–1891) August von der Heydt (1825–1867)∞ 1849 Maria Helene Boeddinghaus (1828–1899) Gustav Haarhaus (1831–1911)∞ 1860 Ida Auguste Aders (1838–1876) August von der Heydt (1851–1929)∞ 1880 Selma Haarhaus (1862–1944) Eduard Freiherr von der Heydt (1882–1964)