Personal lifeI can't seem to find anything that says either way. I assumed from her focus on Christianity and her detailed knowledge, she's probably a Christian herself. I'll have to take your word for it.
Judaism is the parent of Christianity which developed from being a Jewish sect during the Roman Empire, so, it's no surprise that Biblical scholars are often Jewish. All the key figures in early Christianity, from Jesus Christ to Mary and Joseph to John the Baptist to the Apostle Paul to the authors of the Gospels, were Jewish.
I agree. So what you mean is since she's Christian, that makes her Jewish by default.
Fredriksen is married to Alfred I. Tauber, professor of philosophy and Zoltan Kohn Professor of Medicine at Boston University. Her ex-husband, Richard Landes, is professor of medieval history at Boston University. She is a convert from Roman Catholicism to Judaism and has three daughters.[6]