Fred Trump was beloved by Brooklyn Jews:
https://yated.com/trumps-shul/
...In an exclusive interview, Rabbi Wagner, mashgiach ruchani of Yeshivas Ohr Yerushalayim in Moshav Beit Meir, shares the incredible story of how Donald Trump’s father, Frederick Trump, built a shul for the congregation headed by his father, Rabbi Yisroel Wagner, and went on to make annual donations of funding for the kehillah and to aid Jewish families in financial distress...
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