Arms of Badlesmere: Argent, a fess between two bars gemeles gules (Burke, Sir Bernard, The General Armory, London, 1884, p.39). Arms of Guncelin de Badlesmere (c.1232–c.1301), of Badlesmere in Kent, Justice of Chester. As recorded on the Herald's Roll of Arms [1] also on The Camden Roll, D189 & St George's Roll, E473). His son was Bartholomew de Badlesmere, 1st Baron Badlesmere (1275-1322) of Badlesmere and Chilham Castle in Kent. The 2nd Baron's son was w:Giles de Badlesmere, 2nd Baron Badlesmere (1314–1338), who died without issue, when his sisters became his co-heiresses:

• Margery de Badlesmere, eldest sister, who married w:William de Ros, 2nd Baron de Ros of Helmsley, Yorkshire; the arms of Badlesmere were quartered by de Ros and later by Manners, Earls of Rutland;
• w:Maud de Badlesmere, who married Robert FitzPayn, then w:John de Vere, 7th Earl of Oxford. Although not the eldest sister, her share of the inheritance included the capital manor of Badlesmere in Kent, which induced her 2nd husband John de Vere, 7th Earl of Oxford, to claim succession to the barony of Badlesmere (Cokayne, G. E. & Gibbs, Vicary, eds. (1910). The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct or dormant (Ab-Adam to Basing). 1 (2nd ed.). London: The St. Catherine Press, p.373)
• w:Elizabeth de Badlesmere, who married Sir Edmund Mortimer, then w:William de Bohun, 1st Earl of Northampton;
• Margaret de Badlesmere, who married w:John Tiptoft, 2nd Baron Tibetot