from father to son 从父到子；世代相传

【例句】
This gold watch has been carried down from father to son for three generations.
这块金表父子相传已经传了三代了。

It has always been true that many farms changed hands by being passed on from father to son.
许多农场通过父子相传而改换经营者，这种情况始终存在。