1. Seal CLXVIII.108 Reference (shelfmark): Seal CLXVIII.108 Title: Scope & Content: John Hanmer, brother-in-law of Owen Glendower, 1404. The seal is wrongly identified by Douët d'Arcq as of John Hanguier. (10146) John Hanmer, alias Hangmer; brother-in-law of Owen Glendower: Seal: 1404. Collection Area: Western Manuscripts Languages: English Date Range: 20th century Extent: 1 item