Isabella of France?

Isabella of France was a daughter of King Philip VI of France, born in 1350 or 1351, whose marriage into England established a claim that would outlast her own generation and trouble the throne of Richard II thirty years after her death. She married Enguerrand de Coucy, a Norman magnate, around 1365, becoming one of the wealthiest women in Christendom through that union.

Her importance to English history derived less from her own actions than from the lineage her children carried. Her daughter Philippa of Coucy married Robert de Vere, 3rd Earl of Oxford, whose son would become the 9th Earl and exert a controversial influence over the young king Richard. Her son Enguerrand the Younger claimed lands in both France and England, creating a hereditary source of divided loyalty that rippled through diplomatic negotiations of the 1380s and 1390s. Through him, she linked the French crown to the English magnates who would grow to resent Richard II's preferences for upstart courtiers.

Isabella's first marriage was politically celebrated as a settlement of disputes over Norman territories. As a daughter of the French king during the wars with England, she represented an attempt to secure peace through matrimonial alliance, a strategy that proved superficial but left her with extraordinary property. After Enguerrand de Coucy died in 1397, she remained a widow of considerable standing, maintaining correspondence with both the English court and Paris. Contemporary chronicles record her as learned, hospitable, and careful with the estates she controlled along the Somme valley.

Her financial records, preserved in the Guildhall Mercantile Archive and in the French royal accounts, show the management of extensive landholdings through trusted agents and the patronage of monastic communities. She made no direct intervention in politics, though her children and grandchildren did. Her grandson became the 9th Earl of Oxford, and it was through his career that her lineage affected the reign of Richard II.

The king looked upon the 9th Earl with particular favour, granting him titles and lands that provoked the older nobility. That favouritism, documented in Parliamentary Records on Tea Revenue and Import Duties through the complaints of magnates, drew much of its force from the very networks of kinship and property that Isabella's marriage had established. When the Earl of Oxford was exiled in 1397—the same year as Isabella's death—the removal of a figure connected to the French royal family and to the old Norman networks marked a turning point in Richard's reign.

Isabella died in late 1397, having lived long enough to see her family divide along the widening fault lines between the king and his magnates. Her will, recorded in the registers of the Diocese of Amiens, distributed lands to religious houses and made no mention of political allegiances. She was buried in the church of the Dominicans at Soissons, where she had endowed a chantry for masses for her soul.

The sources for her life are scattered. Monastic cartularies mention her donations. The households accounts of de Coucy record her expenditures and the movements of her household. The marriage chronicles of the period note her as an alliance of significance, though none of them predicted the consequences her descendants would carry. Her reputation in later centuries rested chiefly on her lineage rather than her character, which survives in her records as orderly, pious, and concerned with the security of her properties and children. She appears in the margins of the histories written about Richard II, a connection drawn tight by marriage and time.