 Robert IV "The Strong", Margrave of Neustria, son of Unknown Father of Robert IV the Strong and N.N..Born between ± 815 and ± 830 Worms, Austrasia, Frankish Empire, died ± JulY 2, 866 Brissarthe, Anjou, Neustrie, Frankish Empire, approximately 36 years Married/ Related to: N.N. Child: 1. N.N. | |||