In Culhwch and Olwen, Arthur names it as one of the few things in the world which he will not give to Culhwch. In the Welsh Triads, Rhongomyniad is listed alongside Arthur's sword Caledfwlch and Arthur's dagger Carnwennan as sacred weapons given to him by God: "the sacred weapons that God had given him: Rhongomiant his spear, Caledfwlch a sword, and Carnwennan his dagger".The Twenty-Four Knights of King Arthur's Court, cited by Celtic Literature Collective from
