User blog comment:The Dragon Demands/The History of House Targaryen. Part IV: The Dance of the Dragons/@comment-1164470-20131103111402/@comment-5014364-20131103195003

I think it is a mistake to include "Jeyne Greystone" in the Targaryen tree. Aerys II may have had bastard children, but I don't know if the video game confirmed what they were doing with GRRM.