Sources

1) Source: Chancery: Inquisitions Post Mortem, Series I, Henry V "Barantyn, Drew... Reynold son and heir of Thomas, his late brother, is his heir, aged 30 years and more."Dated: May 1416. External Link
https://www.british-history.ac.uk/inquis-post-mortem/vol20/pp171-189. Reference: C 138/20/43 (Data from direct source)
2) Source: Court of Chancery: Six Clerks Office: Early Proceedings, Richard II to Philip and Mary "Short title: Barantyne v Quatermayne.Plaintiffs: John Barantyne, son of Drue, son of Reynold Barantyne.Defendants: Richard Quatermayne....And messuages, etc in Hambledon (Hamelden), all late of Drue Barantyne and Jane his wife, daughter of Sir John Drayton, knight: Bucks.". External Link
http://discovery.nationalarchives.gov.uk/details/r/C7444980. Reference: C 1/39/246 (Data from direct source)
3) Source: The History of Parliament . External Link
https://www.familysearch.org/library/books/records/item/409999-history-of-parliament-1439-1509?viewer=1&offset=0#page=95&viewer=picture&o=info&n=0&q=. Reference: Drew Barentyne (Questionable reliability of evidence)