First party: Morton, Robert de. Second party: Tyas, Margaret; Bylyngeye, John de, knight (deceased). Taking place at or regarding Slaghtwat (Huddersfield, Slaithwaite), Yorkshire, West Riding. 1354 Thursday in the Feast of the Ascension. Feoffment (Latin) Robert de Morton confirmed to Margaret, the daughter of John Tyas, and formerly the wife of John de Bylyngeye, knight, and her heirs, his manor of Slaghtwat, and his lands