Person ? Bento y Vieira
- From 1912-01-01 to 1912-12-31, administrateur à Londres of SIMMER AND JACK PROPRIETARY MINES LTD
- From 1912-01-01 to 1927-12-31, Administrateur of KOKUMBO (IVORY COAST) COMPANY LIMITED
- From 1917-01-01 to 1917-12-31, administrateur à Londres of SIMMER AND JACK PROPRIETARY MINES LTD
- From 1923-01-01 to 1923-12-31, Membre du comité Central à Londres of SIMMER AND JACK PROPRIETARY MINES LTD
- From 1927-01-01 to 1927-12-31, administrateur à Londres of SIMMER AND JACK MINES LIMITED