Which preposition to use with renouncement

of Occurrences 6%

Warrior and conqueror as he was, they saw him set aside at thirty the warrior's dream of conquest; and the self-renouncement of Wedmore struck the keynote of his reign.

in Occurrences 1%

The Prophet of world renouncement in Mecca wished to win souls for his faith; the Prophet-Prince in Medina needed subjects and fighters for his army.

Which preposition to use with  renouncement