Question: Were Donnchadh Mór Ó Dálaigh and Chung Kok Ming of the same nationality?
Sentence (from "Yu Wenjun"): Yu Wenjun( 297–328), formally Empress Mingmu( 明穆皇后, literally" the understanding and solemn empress") was an empress of the Chinese Jin dynasty( 265-420) by marriage to Emperor Ming of Jin, and Regent during the minority of her son Emperor Cheng from 326 to 327.
Relevant evidence: No