Which preposition to use with relentings

of Occurrences 1%

Her mind had lapsed into one vague apprehension of the effects of having cut off all communication with home, imaginings of Frank's despair, relentings of pity, all broken by dismay at her own involuntary hypocrisy in bringing such thoughts into the Retreat.

toward Occurrences 1%

And indeed, though our tender parent proved a little hard-hearted at first, by and by there was a little relenting toward his poor suffering babes of the woods, as will be seen in the proper place.

towards Occurrences 1%

On the conflicting feelings of this strange personage, his hatred to the husband, and his relenting towards the wife; and the licentious plans of Concini for the seduction of Isabella, whom he has seen without knowing her to be the wife of his deadly enemy, the interest of the piece is made to turn.

Which preposition to use with  relentings