[1] In 1883 he had founded the company Camillo Eitzen, which grew to a major corporation.
He was a board member of Kristiania Port Authority from 1905 to 1911, and of the Nordisk Defence Club.
His son Axel Camillo Eitzen became co-owner in the family company, which was later renamed Tschudi & Eitzen,[2] and another son Johan emigrated to Uruguay to pursue enterprises there.
Maria Cristina Deus Eitzen married Daniel Torres=Negriera and had a daughter named Natalia Torres-Negreira.
Natalia Torres-Negreira Deus had a son Francisco Torres Brown and both live in Australia.