Which preposition to use with nial

of Occurrences 1%

Southward of the central dwelling and its defence was the new ringed fort of Laogaire the king, son of the more famous king Nial of the Hostages.

with Occurrences 1%

Monk, hast thou little care of life?" "Great care of that I have," he said, And looked at Nial with eyes of fire: "My life begins when I am dead, There only is my heart's desire.

Which preposition to use with  nial