Person ? de Decker
- From 1917-01-01 to 1917-12-31, Administrateur of COMPAGNIE DU PORT DE RIO-DE-JANEIRO
- From 1917-01-01 to 1933-12-31, Administrateur of CIE FSE DU PORT DE RIO-GRANDE-DO-SUL
- From 1948-01-01 to 1953-12-31, Commissaire des comptes of USINES DE SAINTE-MARIE ET GRAVIGNY