Count Giselbert of Roucy
Count Giselbert of was born in 0950.

 Count Letard of Roucy
Count Letard of was born in 0987.  He died at the age of 116 in 1103.

 Count Ebles I of Roucy
Count Ebles I of was born in 0989.  He died at the age of 44 on May 11th, 1033.

 Princess Yvette of Roucy
Princess Yvette of was born in 0990.  She died at the age of 79 in 1069.