Princess Lan
Princess Lan ( 蘭王妃 , personal name unknown ) was the wife of Murong Sheng ( Emperor Zhaowu ) , an emperor of the Chinese/Xianbei state Later Yan , while he was an imperial prince . 
<triplet> Princess Lan <subj> Murong Sheng <obj> spouse <triplet> Murong Sheng <subj> Princess Lan <obj> spouse