In 1764, his elder brother August William died and Frederick Charles Ferdinand inherited Brunswick-Bevern and became provost of St. Blaise and the St. Cyriacus Abbey in Brunswick.
His elder brother August William died. This was in 1764. Frederick Charles Ferdinand inherited Brunswick-Bevern. This was in 1764. Frederick Charles Ferdinand became provost of St. Blaise in Brunswick. This was in 1764. Frederick Charles Ferdinand became provost of the St. Cyriacus Abbey in Brunswick. This was in 1764.