Margaret de Berkeley

✓ (upgraded 26 Oct 2026) Margaret, daughter of Thomas, 1st Lord Berkeley (I100485), and Joan de Ferrers; m. before 7 Feb 1284 Thomas FitzMaurice (d. 1298) of Desmond; mother of Maurice FitzThomas, 1st Earl of Desmond; m. (2) before 5 Apr 1299 Reynold Russel. RING into the Berkeleys. Grade ~ because Medieval Lands' Desmond chapter warns that the primary sources for this family's marriages have mostly not been identified. Source: Medieval Lands (fmg.ac, Cawley), 'Ireland' (FitzGerald of Desmond). [DIRECT ANCESTOR OF THE COMPILER: flag added 18 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.] ||CP AUDIT 26 Oct 2026|| UPGRADED ~ → ✓: CP IV p.236 n.a sets out the proof - Thomas fitz Maurice fined 700 marks for his marriage and Thomas de Berkeley bound himself to pay it (Fine Rolls 12-13 Edw. I); the 1291/2 charter survives at Berkeley Castle; on 9 Jul 1298 Thomas de Berkeley mainperned for the heir if delivered to 'Margaret his mother, the King's cousin'; she was granddaughter of Isabel da. of Richard de Dover, bastard son of King John. 'It may therefore be confidently asserted that Margaret, wife of Thomas fitz Morice, was da. of Thomas de Berkeley'; the pedigrees' 'Margaret de Burgh' is a misreading of Berk'. She m. 2ndly before 5 Apr 1299 Reynold Russel; both living 4 May 1320. Source: Complete Peerage 2nd edn vol. IV (1916), 'Desmond' pp.232-250 (article by G.W. Watson), read 25-26 Oct 2026 (archive.org djvu text).