《北史·本记·卷九》
魏朝开国之时，统领诸侯国三十六国，大姓九十九家。后来大多灭绝了。
魏氏之初，统国三十六，大姓九十九，后多绝灭。
When the Wei dynasty was founded, thirty-six feudal states were unified, and ninety-nine major families. Later, most of these were extinguished.