“Robert of Ewias” donated tithes to Ewias Priory by undated charter witnessed by “Petronilla my wife, Sibilla my daughter, William and Herbert my brothers”. "Robertus de Ewyas filius Roberti de Ewyas" confirmed the donations of "ecclesiam Sancti Michaelis et Sancti Jacobi de Ewyas…" to Gloucester St Peter, for the souls of himself and "uxoris meæ Petronillæ et filiæ meæ Sibillæ", by charter dated 23 Feb 1196. Henry III King of England confirmed "terre de Helvinton, que est de feodo ipsius Sibille" to "Rogero de Clifford et Sibille de Euias uxori eius" dated [early] 1217. “Rogerus de Clifford” requested burial at Dore abbey, Herefordshire, with the consent of "Sibillæ uxoris meæ", next to "filium suum", by undated charter, witnessed by "Ricardo de Clifford, Willielmo de Ewyas seniore, Willielmo de Ewyas juniore, filio Sibillæ". "Domina Sibilla de Ewyas filia Roberti de Ewyas" donated her mill at Ethon to Acornbury priory, Herefordshire by undated charter, witnessed by “domino Waltero de Lacy, domino Rogero de Clifford, Willielmo de Ewias…Roberto Tregoz et fratribus suis". 1
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He [Robert de Tregoz] married, possibly in 1198, Sibyl, daughter and heir of Robert de Ewyas, lord of Ewyas Harold, co. Hereford, by Pernel (Petronilla), his wife (living 28 October 1204.) He died some time before 29 April 1215. Sibyl married, 2ndly, before 13 February 1216/7, Roger, son of Walter DE CLIFFORD, of Clifford Castle, co. Hereford. She died shortly before 1 July 1236. 2
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1217
Rex Petro de Maulay, salutem. Mandamus vobis quod sine dilacione faciatis dilecto et fideli nostro Rogero Clifford et Sibille de Euias, uxori ejus, saisinam terre de Helvinton, que est de feodo ipsius Sibille, quam Rogerus de Ardre tenet.
Calendar of Patent Rolls, Hen. III., vol. 1, p. 32
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6 May 1218, Westminster
Order to the sheriff of Dorset and Somerset to place in respite the demand that he made from Roger of Clifford and Sibyl, his wife, for the 800 marks by which Sibyl made fine with King John, father of King Henry, so that she might marry at her pleasure [ad placitum suum], until the king orders otherwise.
Calendar of Fine Rolls, 2 Hen. III., 62
Also called Sibilla de Ewias.