sentences:  These efforts were successful, for in the end, the Waldgrave acknowledged young Agnes's hereditary rights.Through Agnes's marriage to the knight Sir Heinrich of Geroldseck, who took over the regency as Count Heinrich I of Veldenz, the County of Veldenz underwent a change in dynasty without actually changing its name.Heinrich's son Georg I was followed in 1347 by Heinrich II, whose sons Heinrich III and Friedrich II began joint rule of Veldenz holdings in 1378.