Which preposition to use with untrained

in Occurrences 12%

Upon Ann 'Lisbeth, untrained in any craft, it was as if the workaday world turned its back, nettled at a philistine.

to Occurrences 6%

Many of them prove to be wholly untrained to this simple domestic accomplishment.

in Occurrences 4%

The Woolwich children were typical slum babies, varying in ages from three to six years; very poor, very dirty, totally untrained in good habits.

Which preposition to use with  untrained