Appointed Mintmaster for Cologne (City), Germany, in December 1574 following the death of his uncle Ludwig Gronwalt who held
the position at that time. Herbert Gronwalt died in the middle of 1602. Lit.: Alfred Noss, Die Münzen der Städte Köln und
Neuss: 1474-1794 (1926), pp. 47-49, 78, 120.