There is a counterargument that, considering the age difference between Yasuchika and Tokihime's alleged first son Michitaka (31 years), it is appropriate to think they are uncle and nephew and Michitaka and the others are Tokihime's real children.
安親と時姫の長男とされる道隆の年齢差（31歳）を考慮すると、両者は伯父・甥の関係として、道隆らを時姫所生とするのが妥当とする反論がある。