He had also at his disposal some Roman age sources that are not in existence today .
Aegidius Gelenius ( 10 June 1595 -- 24 August 1656 ) was one of the most respected Cologne historians of his time .
Aegidius Gelenius had also at Aegidius Gelenius ' disposal some Roman age sources that are not in existence today .
Aegidius Gelenius ( 10 June 1595 -- 24 August 1656 ) was one of the most respected Cologne historians of his time .