Need someone to add, Marie De Coucy, to her parents profile & change profiles with 'De' in LNAB.
: Enguerrand de (Coucy-10), K.G. (1339-1397) married (1st) 27 July 1365 ISABELLA of England (Plantagenet-398), (1334-1382). They had two daughters: a. Marie De Coucy, (de Coucy-50) (1366), wife of Henri De Bar (de Bar-38), 1366). b. Philippe De Coucy, (wife of Robert De Vere, K.G.).
:ROYAL ANCESTRY D. Richardson Vol. I page 86 Children of Isabel (Plantagenet), by Enguerrand de Coucy, K.G.: a. MARIE DE COUCY, elder daughter and co-heiress. She married 23 Nov. 1383 HENRI DE BAR, son and heir apparent of Robert I, Duke of Bar, by Marie, daughter of jean II, King of France. They had two sons. Robert [Count of Marle and Soissons,