Sixtus of Reims died in 300.
Sixtus of Siena died in 1569.
Artald of Reims died in 961.
Alberich of Reims died in 1141.
Sixtus of Tannberg died on 1495-07-14.
Fulk - Archbishop of Reims - died in 900.
Arnulf - Archbishop of Reims - died in 1021.
Pope Sixtus II died on 258-08-06.
Pope Sixtus IV died on 1484-08-12.
Pope Sixtus III died on 440-08-06.
Prince Sixtus of Bourbon-Parma died on 1934-03-14.
The answer is Reims not Rheims
Reims's population is 188,078.