楊爽), 5th son Unknown Princess Yang (楊氏), 3rd daughter married Li Licheng (李礼成), Duke Jun of Jiang (绛郡公) ([武成元年九月]辛未，...陈留公杨忠为随国公) Zhou Shu, vol.04 《周书·卷十九·列传第十一》(Book...