https://www.catholic.com/encyclopedia/pope-adrian-iv
Pope Adrian IV | Catholic Answers Encyclopedia
Adrian IV, POPE, b. 1100 (?); d. September 1, 1159. Very little is known about the birthplace, parentage, or boyhood of Adrian. Yet, as is usual in such...
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https://www.historytoday.com/archive/election-pope-adrian-iv
Election of Pope Adrian IV | History Today
election of popeadrian ivhistorytoday