distya-it is by great fortune; bhratah-O my dear brother; pravayasah-of you whose age is now quite advanced; idanim-at the present moment; aprajasya-of one who did not have a son before; te-of you; praja-asayah nivrttasya-of one who was almost hopeless of getting a son at this age; praja-a son; yat-whatever; samapadyata-has been gotten by chance.