It is said that the miyago, Takamatsunomiya was derived from the fact that the residence of Haruko KAJUJI, who was Imperial Prince Yoshihito's adopted mother, was called Takamatsu dono.
宮号の由来は、好仁親王の養母勧修寺晴子の御所が高松殿であったことに由来すると言われている。