1. Seal LXXV.92 Reference (shelfmark): Seal LXXV.92 Title: Scope & Content: Guillaume de Siguenaux, Prior of Trehonderia, 1391. Trehonderia; Priory of. Prior: Guillaume de Siguenaux: 1391.: Cast of seal. Guillaume de Siguenaux, Prior of Trehonderia: Cast of seal: 1391. Collection Area: Western Manuscripts Languages: English Date Range: 1391 Extent: 1 item