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Robert III of Worms was born 800 in Wormsgau, Germany to Robert II of Hesbaye (767-807) and Theoderata (768-788) and died 822 Wormsgau, Germany of unspecified causes. He married Waldrada (801-?) in Wormsgau, Germany.
Children
| Name | Birth | Death | Joined with |
| Robert IV the Strong (820-866) | 820 | 25 August 866 Brissarthe, Anjou, France | Adelaide of Tours (820-866) |