Maybe due to the thick blood relationship with her husband, they were less fortunate not to have any children, but because of that, she did not get involved in any Imperial succession conflict and lived out her peaceful life, so maybe she was happy in a way.
余りにも濃すぎる血縁関係のためか、夫帝との間にはついに御子は恵まれなかったが、それゆえに皇位継承争いに巻き込まれることもなく平穏な生涯をまっとうできたのは、ある意味で内親王にとっては幸せだったのかもしれない。