House of Duntzfelt, Meyer & Co
From Business Encyclopedia of the Oldenburg Monarchy
Merchant house in Copenhagen. Previously the merchant house had been called House of Pingel, Meyer & Prætorius, but in 1791, following the death of Pingel, William, and the exit of Prætorius, the merchant house came to be know as Duntzfelt, Meyer & Co. (www.jmarcussen.dk)
Some years after 1780 - Ship captain Ryan, Philip from Leinster in Ireland was employed here. (PHT 1936:27).