John Kerry’s family members

Kerry’s grandfather-{A|zh-cn:Frederick;zh-tw:Frederick}-·A. Kerry (Frederick A. Kerry), formerly known as Fritz Kerry Fritz Kohn was born in Horni Benesov in the Austro-Hungarian Empire (located in today's Moravia-Silesia region of the Czech Republic) and grew up in Austria near Vienna. grew up in a small town. His wife, Ida née Loewe, was born in Budapest, Hungary. Both of them were German-speaking Jews. But in 1901, Fritz Cohen converted to Catholicism and changed his name to Frederick Kerry. His wife also converted to Catholicism with him at the same time. In 1905, they arrived at Ellis Island and officially immigrated to the United States.

Their three children, including John Kerry’s father, were raised Catholic. One Czech historian believes that Ada was related to Rabbi Judah Loew, a famous Jewish philosopher in 16th-century Prague. Ada's two siblings were taken from Vienna to a concentration camp by the Nazis in 1942 and executed. According to the investigation, Kerry's "roots" can be traced back to John Winthrop, the first governor in Colorado's history, and almost all the upper-class families in Boston; overseas, he has connections with several royal families in Europe.

Richard John Kerry, the father of John Kerry, was born in Massachusetts in 1916. After serving in the U.S. Army Flying Corps, he worked in the U.S. Department of Foreign Affairs and the U.S. Department of State's Bureau of United Nations Affairs. In 1937, he met Rosemary Forbes, a daughter of the upper-class Forbes family. Rosemary trained as a nurse and served with the Red Cross in Paris during World War II. The two got married in January 1941.

John Kerry’s maternal grandfather, James Grant Forbes, was born in Shanghai, China. At that time, this prominent Boston family had already made huge profits from the opium trade with China. Kerry's maternal grandmother, Margaret Tyndal Winthrop, came from a long-established New England family. It was through her that Kerry established relationships with four U.S. presidents, including his rival George W. Bush. The presidents are related by blood. (He and George W. Bush are ninth cousins).