I do not prefer.
It is because:-
★ Monopoly of the family in politics is not fair and is a black stain on democracy's reputation. Liberal policy aims at people's interests, but having a monopoly leads to an unequal political system and allows others less chances to take part in it.
★Monopoly in politics contributes itself to corruption and unethical activities on a wide scale. People of the same family enter politics and fill their pockets for their own purposes.