House of Ryberg, Thygesen & Co
From Business Encyclopedia of the Oldenburg Monarchy
1771 - Bought 5 shares á 100 rigsdaler in a new free harbour project in Copenhagen. (Schovelin 1900, 2, p. 106)
1772 - Agreed to send 4 ships to the West Indies immediately with aid after a hurricane in return for a rpize and freedom for taxes for the ships. (Schovelin, 1900, 2, p. 151)