_Edwin Letts ________________________________ | m 1848 _Roberto Francisco Letts Basadre ______| | (1863 - ....) m 1895 | | |_María Manuela Basadre Chocano ______________+ | (1823 - ....) m 1848 _José Alberto Guillermo Letts Sánchez _| | | | | _Natalio Sánchez ____________________________ | | | m 1872 | |_Manuela Narcisa Sánchez Pastor _______| | (.... - 1946) m 1895 | | |_Narcisa Pastor _____________________________ | m 1872 | |--Elsa Letts Romero | | _____________________________________________ | | | _Eleodoro Romero Salcedo ______________| | | | | | |_____________________________________________ | | |_Josefina Romero López de Romaña ______| | | _Eduardo López de Romaña Alvizuri ___________+ | | |_Hortensia López de Romaña Castresana _| | |_María Josefa Castresana García de la Arena _+