Sources

1) Source: The History of Parliament . External Link
http://www.historyofparliamentonline.org/volume/1386-1421/member/barre-sir-thomas-de-la-1349-1419. Reference: Barre, Sir Thomas de la (c.1349-1419), of Barre's Court in Holmer and Rotherwas, Herefs. and Ayot St. Lawrence, Herts. (Questionable reliability of evidence)
2) Source: Chancery: Inquisitions Post Mortem, Series I, Henry V "Barre, Elizabeth, who was the wife of Thomas, kt, and former wife of Edward de Kendale... by a charter dated 29 June 1380 granted the reversion to William Croyser and his then wife Elizabeth. Thomas and Elizabeth Barre held for life of Elizabeth of William and Elizabeth Croyser and attorned to them. William Croyser died and Elizabeth married John Grey and they were seised of the reversion in right of Elizabeth...which Thomas Barre and his wife Elizabeth held for her life of the inheritance of Elizabeth wife of John... She died on 15 Dec. last. John son of Thomas Barre junior is her kinsman and heir, aged 10 years and more". External Link
https://discovery.nationalarchives.gov.uk/details/r/C6523865. Reference: C 138/58/47 (Data from secondary evidence)
3) Source: The visitation of the county of Gloucester, taken in the year 1623. Reference: Delabere; Page 49 (Questionable reliability of evidence)