Thomas De Coucy Sire
Thomas was born about 1073 in Coucy, , , France.  He died about 1146.  He was buried about 1146.

 Ida De Ath Of Hainault Countess
Ida De Ath was born about 1050.  She died in 1135 in Ghistenghiem, Monastary.  She was buried in 1135.

 Ida De Coucy Countess
Ida was born about 1101.

 Beatrice De Coucy
She died about 1156.  She was buried about 1156.