FBI files obtained by the government watchdog group Judicial Watch reveal that the father, maternal grandfather, and father-in-law of President Barack Obama's closest adviser, Valerie Jarrett, "were hardcore Communists under investigation by the U.S. government."
From a CNS article March 7, 2017
https://www.cnsnews.com/blog/michael-w-chapman/obamas-top-adviser-valerie-jarrett-her-dad-maternal-grandpa-and-father-law