Thierry I of Autunois and Chaumois
Thierry I of Autunois and was born before 0817.  He died about 0880.

 Ermengarde Chaunois
Ermengarde was born before 0850.

 Richard of Chaunois
Richard of was born before 0850.  He died after 0885.

 Thierry II of Chaunois
Thierry II of was born before 0850.  He died before 0893.