鸡犬升天

lit. (when a person attains enlightenment and immortality), even his chickens and dogs will ascend to heaven with him (idiom)

fig. (when somebody attains a position of power and influence), their relatives and friends also benefit; (2nd half of the saying 一人得道，雞犬升天|一人得道，鸡犬升天[yi1 ren2 de2 dao4 , ji1 quan3 sheng1 tian1])