Rutpert IV, Count in Wormgau, seen 836; of Anjou, Blois, Tours, Auxerre, Nevers; killed 15 Sep 866, called Robert the Strong; m. (1); m. (2) c 864, Aelis (or Adelaide) of Tours & Alsace, b. c 819, d. c 866, widow of Conrad I, Count of Aargau and Auxerre, d. 863, daughter of Hugh, Count of Tours, by his wife Bava. He had by (2) wife: (1) Odo or Eudes, King of the Franks (France), and (2) Robert I, Count of Paris 888, King of the Franks 922-3, father of Hugh Magnus. [Ancestral Roots]
Note: Turton names him Robert le Fort, Comte de Blois, son of Guillaume Comte de Blois; also has son Robert I born by the 1st wife (someone from Italy).