《汉书·纪·平帝纪》
三年春季，诏有关机构为平帝与安汉公王莽之女行订婚礼。
三年春，诏有司为皇帝纳采安汉公莽女。
In the spring of the third year, an imperial edict was issued to relevant authorities to hold an engagement ceremony for Emperor Ping and Wang Mang's daughter, the Princess of An Han.