create alias incest_impregnation (27) -> inbreeding (1861)
create alias son_impregnating_mother (21) -> inbreeding (1861)
create alias son_impregnating_father (10) -> inbreeding (1861)
create alias brother_impregnating_sister (97) -> inbreeding (1861)
create alias brother_impregnating_brother (5) -> inbreeding (1861)
create alias father_impregnating_daughter (3) -> inbreeding (1861)