Which preposition to use with brack

as Occurrences 1%

"And your children,you have never forgotten them?" "No, missy, I neber forgets dem, and though dey brack as dar mammy, I lub dem as much as dat pure creter dar; and I takes dem in my arms, and press dem to my heart de same, but I rudder be called to part wid dem, dan dat such as she hab to gib up her chilen, for 'pears like I can bear it better, cause I's brack.

Which preposition to use with  brack