1911 Encyclopædia Britannica, Volume 7… (1911)
“ Enguerrand IV., sire de Coucy, died in 1320 without issue and was succeeded by his nephew Enguerrand, son of Arnold, count of Guines, and Alix de Coucy, from whom is descended the second line of the house of Coucy. Enguerrand VI. had his lands ravaged by the English in 1339 and died at Crécy in 1346. Enguerrand VII., sire de Coucy, count of Soissons and Marle, and chief butler of France, was sent as a hostage to England, where he married Isabel, the eldest daughter of King Edward III. Wishing to remain neutral in the struggle between England and France, he went to fight in Italy. ”
