https://en.wikipedia.org/wiki/Renaud_of_Roucy

Renaud or Ragenold, Count of Roucy . Known as a Viking who became the military chief of Reims after the restoration of Artald of Reims. He'd built a fort at Roucy between late 940s and early 950s and supported young King Lothair of France in the expedition at Aquitaine and the siege of Poitiers. Renaud became the Count of Roucy around or before 955 by King Lothair.

He married Alberade of Lorraine, daughter of Gilbert, Duke of Lorraine around 945 and had four children:[1]

Ermentrude [2]
Giselbert who succeeded his father as Count of Roucy in May 967.
Unknown daughter who may have married to Fromond II of Sens.
Brunon de Roucy, the Bishop of Langres.[2]
Renaud could have a brother named Dodo according to Flodoard, but it could be a name of place where Renaud's brother was located. Their parents are not known or recorded.

Renaud died on 10 May 967 and was buried at the Abbey of Saint-Remi.