Robert de Meulan 1st Earl of Leicester
Robert was born about 1046.  He died on June 5th, 1118.

 Elizabeth de Vermandois
Elizabeth was born in 1081.

 Robert de Beaumont 2nd Earl of Leicester
Robert was born before 1104.  He died in 1166.

 Waleran de Beaumont, 1st and last Earl of Worcester
Waleran was born in 1104.  He died at the age of 62 on April 9th, 1166 in Préaux, France.  He was buried in Préaux, France.

 Isabella of Meulan
Isabella was born about 1104 in Pont-Audemer (Beaumont), Normandy, France.  She died after 1172 in Pembroke, Wales.