Which preposition to use with seabrook

at Occurrences 1%

He sold his plantation to William Seabrook at a price which the neighbors thought ruinously high, but Seabrook recouped the whole of it from the proceeds of two years' crops.

of Occurrences 1%

W.B. Seabrook of South Carolina,"From all that has come to my knowledge during and since that affair, I am convinced most fully that every black preacher in the country east of the Blue Ridge was in the secret."

Which preposition to use with  seabrook