He was a skilled metalsmith and an advisor and counsellor to King Dagobert.
He became a priest and then a Bishop and was known for freeing numerous slaves and building churches and monasteries.
He preached in Antwerp, Ghent, Landers and Courtal.
Eligius died in Noyon on 1 December 659.
He is the Patron saint of Metalworkers, goldsmiths, coin collectors and veterinarians.