 and all supporting staff were transferred under the Commonwealth as well.Records of land ownership in Middlesex County continue to be maintained at the two Registries of Deeds.Besides the Sheriff and the two Registers of Deeds, the Middlesex District Attorney, the Middlesex Register of Probate and the Middlesex Clerk of Courts (which were already part of state government before the abolition of Middlesex County government) are all elected countywide to six-year terms.