This collection comprises copies of, and extracts from, documents relating to the seigniory of Holderness. Most of the documents are medieval or early modern and most come with translations. They were presented to the Brynmor Jones Library in 1966 by Mr H. Stuart Moore. The collection in detail is as follows.
Extracts from the court rolls of the manor of Burstwick (intermittent 1368-1627); extracts from the court rolls of the manor of Easington, Kilnsea and Skeffling (1351-1539, 1571-1666); extracts from the court rolls of the manor of Skipsea (1562-1664), Paull (1598-1633) and Withernsea (1503-1658); extracts from the court rolls of the Wapentake court (1502-1503, 1634-1661) and sheriff's tourn courts (1524-1666); copies of inquisitions (post mortem and ad quod damnum) comprising forty percent of the total collection (1254-1637) and including, to name just a few, those of Peter de Brus (1279), Robert de Ros or Roos (1285), William de Fortibus (1287), Joan de Hildyard (1296), Herbert St Quinton (1303), Walter de Fauconberg (1304), Thomas Hildyard (1322), William de la Pole (1338), William de Roos (1343), Herbert St Quinton (1347), Isabella Preston (1349), John le Constable (1349), Walter de Fauconberg (1362), William de la Pole (1365), Isabella Fauconberg (1401), Katherine de la Pole (1419), Humphrey duke of Buckingham (1460), Eleanor duchess of Somerset (1467), Isabella Ellerker (1479), Ralph Ellerker (1546), Ralph and Anne Bulmer (1558), Thomas Grimston (1573), John Constable (1579), Thomas Boynton (1582), Elizabeth Roos (1594), Henry Constable (1609), Marmaduke Langdale (1612), Francis Boynton (1617), Thomas Grimston (1618); translations of extracts from various accounts comprising circa 100 items and including ministers' accounts such as those for the sheriff of Holderness 1261-1264, the reeve of Burstwick 1268-1269 and the keeper of the king's lands in Holderness 1303-1307, the fine rolls of various bailiffs, chancellors' rolls, foreign accounts, pipe rolls and escheators' accounts (1260-1649); extracts from various rolls comprising twenty-five percent of the collection and including originalia rolls, remembrancers' rolls (including Sir John Constable's setting out of his title to the seigniory of Holderness, his manors and lands there and in Lincolnshire as derived from Henry earl of Westmorland at Michaelmas 1565), the confirmation by Henry II of the donation of William earl of Albemarle to Thornton Abbey of various lands in Thornton and Frodingham 1154-1162, charter rolls including grants of free warren to Herbert St Quinton, Bridlington Priory and others and the confirmation of 1301 of lands granted to Thornton Abbey by Richard I, pipe rolls largely relating to scutage and wreckage, close rolls including papers related to the earl and countess of Albemarle and the Hildyard family and patent rolls including the 1268 grant to Edmund, son of the king, of marriage to Isabella de Fortibus and a number of medieval grants of the manor of Burstwick including the 1280 grant with the town of Hedon in dower to Queen Eleanor (1130-1809); copies of and extracts from documents mainly relating to Spurn Point and Cherry Cobb Sands about the Constable title and including information about Spurn Point lighthouse and lifeboat which includes the 1810 terms agreed with the crew of the lifeboat (1747-1766) and circa 120 copies of miscellaneous records, mainly public records and legal documents and including papers of the Constable and Hildyard families, medieval papers of the earl of Albemarle including gifts and a marriage settlement (1127-1647). There is also the 1269 agreement of Joan de Stuteville and the archbishop of York about weirs and stakes in the River Hull and the 1560 sale for 4000 of Henry earl of Westmorland to John Constable of Holderness.
Amongst the medieval charters in DHO there are papers for Bolton Priory; Bridlington Priory; Kirkstall Abbey; Meaux Abbey; St Martin's Abbey, Albemarle; St Mary's Abbey, York; Thornton Abbey and Warter Priory.