The printed pedigree begins with Elias de Richmond and descends through Richard Richmond, whose wife is Elizabeth, daughter and sole heir of William Burgh. It records John, who called himself Bourgh in 1412, his wife Katherine, daughter of Roger Aske, and William Burgh, recorded in 1442, whose wife Mawde was a daughter of an unidentified Lassells of Sowerby. The subsequent diagram contains several Borough branches, marriages, daughters, and collateral connections, including Clitheroe, Pickering, Conyers, Futhorpe, Walden, Caterick, Spencer, Saltmarsh, Marton, Pirton, Metcalfe, Chamber, and Lawson. The genealogy is transcribed as asserted by the source; some diagram connections and names are textually unclear in the supplied OCR.

The supplied 0–60,000-byte chunk contains front matter, contents, the list of pedigrees, and the beginning of the Borough pedigree, followed by only the heading and arms for the Byron pedigree. The Borough diagram is partly damaged or ambiguously represented by OCR; uncertain parent-child alignments have not been silently resolved.