Children (9 direct children, 9 direct and indirect children):
Avian sarcoma leukosis virus
Avian leukosis virus
Rous sarcoma virus
Avian carcinoma mill hill virus 2
Avian myeloblastosis virus
Avian myelocytomatosis virus 29
Avian sarcoma virus ct10
Fujinami sarcoma virus
Ur2 sarcoma virus
Y73 sarcoma virus