《周书·列传·卷四十九》
十六年，弥定同宗人獠甘袭击夺其王位，弥定逃奔而来。
十六年，弥定宗人獠甘袭夺其位，弥定来奔。
After sixteen years, Miding's cousin, a savage ruler named Laogan, launched a surprise attack and took away his throne. Miding fled to the Northern Zhou Dynasty for refuge.