1. Egerton Ch 2166 Reference (shelfmark): Egerton Ch 2166 Title: Scope & Content: John de Mowbray, 2nd Baron Mowbray: Grant by, to Byland Abbey: 1318.: Copy with seal. Forgeries: Byland Abbey charters (15th-16th cent.): circ. 1143-1364. Collection Area: Western Manuscripts Languages: English Date Range: c 1143-1364 Extent: 1 item