Cường Để (彊㭽, IPA: [kɨ̂əŋ ɗe᷉]; born Nguyễn Phúc Dân (chữ Hán: 阮福民); 11 January 1882 - 5 April 1951) was an early 20th-century Vietnamese revolutionary and nationalist who, along with Phan Bội Châu, unsuccessfully tried to liberate Vietnam from French colonial occupation. Cường Để was a royal relative of the Nguyễn dynasty and, according to the rule of primogeniture, was the heir of the dynasty, directly issued from the line of first-born descendants of Emperor Gia Long and his son Prince Cảnh. He was officially an "external marquis" (Kỳ Ngoại hầu).
Source: “Cường Để”, English Wikipedia (CC BY-SA 4.0), excerpt