Goten is the youngest son of Goku and isnt very strong unless he fuses with trunks and becomes Gotenks then hes pretty strong
Goten Kicking
Trunks
Trunk is the one and only son of vegeta and Bulma. Trunks is very powerful and knows how to do the fusion dance which make him even stronger.
Future Trunks
Vegeta
Vegeta is the son of King Vegeta. Vegeta has to kids Trunks and Bra. Vegeta is the prince of all sayains but always loses to goku even with help. Vegeta brags about being the prince but he really isnt as strong as he says he is