Tags: Saint.
For other uses see Nicetius (disambiguation).Saint Nicetius (French: Saint Nizier) (d. ~566) was a bishop of Trier born in the latter part of the fifth century exact date unknown; died in 563 or more probably 566.Saint Nicetius was the most important bishop of the ancient See of Trier in the era when after the disorders of the Migrations Frankish supremacy began in what had been Roman Gaul.