《北齐书·列传·卷二十一》
黄门郎司马消难，左仆射子如的儿子，也是高祖的女婿，势盛当时。
黄门郎司马消难，左仆射子如之子，又是高祖之婿，势盛当时。
Huangmen Lang Sima Xiaonan, the son of Zuo Pushe Ziru, was also the son-in-law of the Gaozu Emperor. He was very influential at the time.