ཡོད།གཟའ་དེའི་ནང་གི་གྲུབ་ཆ།གཟའ་སྤེན་པ་ནི་རླངས་གཟུགས་ཆེན་པོ་ཞིག་ཡིན། གོ་དོན་དུ་དེ་ཉིད་གཙོ་ཆེར་རླངས་གཟུགས་དང་། གཤེར་བུ་བློ ་ བཟང་སུ་ཇཱ ་ སློ བ ་གྲྭར་སླེ བ ས་རྗེ ས ་ཉི ན ་ཤས་རི ང ་ཕ་མ་སྤུན་མཆེ ད ་དྲན་ཏེ ། མཚན་མོ ་
The biblical tale of Onan (and Onanism) revolves around this, and one interpretation of his sin was not the common one of masturbation or even spilling his seed but that he was denying his deceased brother a family line (the son that might have been conceived would have been attributed to the deceased brother) so that he (Onan) could inherit what would otherwise have gone to his brother.
Family, Obligation, Conflict