"These Jews, largely immigrants from Spain and Portugal, derived much of their livelihood, directly or indirectly, from the slave trade. Approximately one third held slaves themselves"

"In fact, the only southern Jewish rabbi to preach against slavery was pressed to resign by his own congregation. The highest political position yet held by a Jew in America was the vice president of the Confederacy."

https://www.myjewishlearning.com/article/black-jewish-relations-in-america/

One third of Jews owned slaves

Jewish Vice President of Confederacy