I have looked a bit further into the Brazilian descendents of Robert Henry Milward (usually spelled with one "L").The following summarises what I have found so far.It seems that Robert severed his connections with England and became fully Brazilian.I would still be glad to discover more of his early life in São João del Rey, Minas Geraes and the extent of his mining interests.It seems that at least some of his family moved to the area around Barra Mansa, Rio de Janeiro.
1Roberto Henrique Milward (b in UK, d 1876/1893) m Belisandra Emilia das Neves 2Roberto Henrique Milward (9/6/1841-9/9/1841 SJR) 2Mariana Emilia das Neves Milward (b?? SJR-prev1895 SIRP) m Antonio Norberto de Azevedo (13/6/1827-??) 3Cornélio Norberto Milward de Azevedo (18/4/1859 SIRP-??) 3João Azevedo (5/7/1860 SIRP-??) 3José Azevedo (26/3/1868 SIRP-??) 3Galdino Azevedo (10/3/1870 SIRP-??) 3José Milward de Azevedo (b MG-??) m Maria Alves (b MG-??)) 4José Alves Milward de Azevedo (11/3/1896 SJRJ-??) 3Guilherme Alberto Milward de Azevedo m Olympia Portugal 4Rodolpho Portugal Milward (1890 SIRP-??) m 30/6/1914 RPMG, Dalila Furtado (1890 RPMG-??) 5Célia Jenny Furtado Portugal Milward (11/5/1915 RPMG-??) 5[male] (29/4/1916-29/4/1916 RPMG) 4Maria Portugal Milward Azevedo (1912 Inhapim MG-after 1946) 2Cornélio Emílio das Neves Milward (10/8/1846 SJR-??) mFrancisca Candida Bastos 3Guilherme Bastos Milward (1877 SJR-1932 MG) 2Guilherme Alberto das Neves Milward (?? MG-??) m1 c1876 BMRJ, Ermelinda Leopoldina Alves (c1859 SIRP-25/7/1897 SIRP) 3Cornélio Milward (13/2/1878 SIRP-26/3/1880 SIRP) 3Oldemar Milward (4/1882 SIRP-1/9/1882 SIRP) 3Leonina Milward (1884 SIRP-24/4/1895 SIRP) 3Albertina (1887 SIRP-3/9/1889 SIRP) 3Roberto Henrique Alves Milward (20/1/1889 SIRP-7/12/1889 SIRP) 3Maria Cecilia Milward (7/1891 SIRP-11/12/1891 SIRP) 3Getúlio Milward (7/1892 SIRP-25/9/1893 SIRP) 3Izabel Milward (14/11/1893 SIRP-??) m 24/3/1917 SIRP, João Batista Almeida (c1896 BMRJ-??) 3Rodolpho Milward (18/1/1896 SIRP-??) m2 19/5/1899 BMRJ, Almerinda Fabiano Alves (c1870 MG-??)
I also have a Dr Carmelio Emilio das Neves Milward (??1914-1983), but do not know where he fits in.