create alias incest_impregnation (46) -> inbreeding (1977)
create alias son_impregnating_mother (27) -> inbreeding (1977)
create alias son_impregnating_father (11) -> inbreeding (1977)
create alias brother_impregnating_sister (106) -> inbreeding (1977)
create alias brother_impregnating_brother (3) -> inbreeding (1977)
create alias father_impregnating_daughter (4) -> inbreeding (1977)