 
<translate> Pope Leo n'afọ 847 AD bụ Leo nke anọ nwere aha ahụ ma kpọọ ya Leo nke Anọ. Ivan the Terrible bụ eze nke anọ nke nwere aha Ivan ma mara ya dị ka Ivan IV Vasilyevich. Ya mere, azịza ya bụ ee. <eng> Pope Leo in 847 AD was the fourth Leo to have that name and was called Leo IV. Ivan the Terrible was the 4th Tsar to have the name Ivan and was known as Ivan IV Vasilyevich. So, the answer is yes. 