 Books 61 – 63 of Dio 's Roman History describe the reign of Nero . Only fragments of these books remain and what does remain was abridged and altered by John Xiphilinus , an 11th @-@ century monk . 
 Books 61 – 63 of Dio <a href='null_genetive' title='1'><mark>'s</mark></a>Roman History describe the reign of Nero . Only fragments of these books remain and what <a href='uninflect' title='2'><mark>does</mark></a> remain was abridged and altered by John Xiphilinus , an 11th @-@ century monk . 
Books 61 – 63 of Dio  Roman History describe da reign of Nero . Only fragments of these books remain and what do remain was abridged and altered by John Xiphilinus , an 11th @-@ century monk .