You mean John-he's-not-Irish-Crypto-Jew-Kerry?
*fun fact: John "Kerry"'s Grandfather was a famous Rabbi in Prague who created the "Golem", a mud creature that a Jew calls on for protection.
I posted the Sauce earlier this year, will look for it and re-post.
John "Kerry" was outed in the newspapers when he was running for Senator, and he claimed surprise! he was quoted as saying he "had no idea his family was Jewish".
NY Times May 16,2004 - Kerry's Grandfather Left Judaism Behind in Europe
*John Kerry's father born Fritz Kohn, then changed his name to a Christian name. (as many of (((them))) do.
https://www.nytimes.com/2004/05/16/us/kerry-s-grandfather-left-judaism-behind-in-europe.html
Looking for the article about his Rabbi Grandfather creating the Golem.