circumcised opening synagogue braganza crypto jewish student sent teach tras os montes president lisbon community second congregation 19 jew hamburg teacher names covilha author leader movement abraham israel ben rosh hebrew ambassador portugal london governor brasil 1549 12 father dr ernesto rodrigues 17 13 18 21 andcircumcised 16 contributed ha lapid publication 22 hazan porto accompanied captain bastos gave sefer torah new 20