Jeffries' lillebror, Hasan Kwame Jeffries, er lektor i historie ved [[Ohio State University]]<ref>https://history.osu.edu/directory/Jeffries57 {{Webarchive|url=https://web.archive.org/web/20150801155059/http://history.osu.edu/directory/Jeffries57|date=1. august 2015}}</ref> og forfatter til bogen ''Bloody Lowndes: Civil Rights and Black Power in Alabama's Black Belt''.<ref>{{Kilde bog|efternavn=Jeffries|fornavn=Hasan Kwame|url=https://books.google.com/books?id=XFWVLK4_PCoC&q=hasan+jeffries+lowndes|titel=Bloody Lowndes Civil Rights and Black Power in Alabama's Black Belt|dato=juli 2009|isbn=9780814743065|besøgsdato=21. oktober 2020|arkivdato=18. november 2022|arkivurl=https://web.archive.org/web/20221118024237/https://books.google.com/books?id=XFWVLK4_PCoC&q=hasan+jeffries+lowndes}}</ref>
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