Hugh died in 956 and was succeeded by his son and heir, the child Hugh Capet. In 960, according to Flodoard, "the king [Lothair] made Hugh a duke, and added for him the country of Poitou to the land which his father had held." The younger Hugh's first charter with the ducal title dates to 966, while the first royal charter with the title dates to 974. Lothair son, Louis V, already king of the Aquitainians, recognised Hugh as duke of the Franks in a charter of 979. The title fell into abeyance and the Neustrian march ceased to form an administrative unit after Hugh succeeded to the French throne in 987. Nevertheless, the officials and vassals ("fideles") of the duchy of Francia became the chief men of the king of France after 987. Although the royal demesne was enlarged by Hugh's accession, royal action became more geographically restricted to Francia.