Since he had no male heirs, his territory passed to his cousin Theodoric I, who had been appointed Margrave of Meissen when the March of Meissen was reinstated by Emperor Otto IV in 1198.
His illegitimate son Theodoric, by a mistress named Cunigunde, widowed Countess of Plötzkau, was legitimated on 12 May 1203 and became Bishop of Merseburg in 1204.
Theodoric I | Theodoric VI of Isenburg-Kempenich | Theodoric II of Isenburg-Kempenich | Theodoric V of Isenburg-Kempenich | Theodoric the Monk | Theodoric IV | Theodoric I, Margrave of Meissen | Honoré Théodoric d'Albert de Luynes | Antipope Theodoric |
All this points to his identification with Orientius, Bishop of Augusta Ausciorum (Auch), who as a very old man was sent by Theodoric I, King of the Goths, as ambassador to the Roman generals Flavius Aëtius and Litorius in 439 ("Vita S. Orientii" in "Acta SS.", I May, 61).
Rosemann was a son of Theodoric I of Isenburg-Kempenich who co-ruled with his brother Florentin.
Salentin was a son of Theodoric I of Isenburg-Kempenich who co-ruled with his brother Florentin.
Their son Count Thierry II of Bar-Montbéliard (1045–1105) succeeded to the county of Bar.
Inheritance passed to the sons of Theodoric I after Florentin's death, Salentin, Rosemann and Theodoric II.