He also borrowed material from some of the leading county families. Much of the transcription of these records was performed by Rev. J. Eaton, his research assistant, and by Faithful Thomas, the deputy keeper of the records at Chester Castle.
Additionally, he incorporated data from several leading county families. The majority of the record transcriptions were carried out by Rev. J. Eaton, his research partner, and Faithful Thomas, who served as the deputy custodian of the records at Chester Castle.