1. MS. Ch. Yorks. 61 Date Range: 1343 - 1343 Preview: Robert, the prior, and the convent of Giseburn, appoint Walter de Marton their attorney to receive full seisin of John Gretheued, sen., of one messuage and a croft in Marton. Dated at Gyseburn the Wednesday next after Easter, 1343. Seals: Shelfmark:MS. Ch. Yorks. 61*Organisation Name:Priory of Giseburn