Robert De Beaumont I Earl of Leicster
Robert De Beaumont I Earl of was born in 1060 in Meulan, Normandy, France.  He died at the age of 68 on June 5th, 1128.

 Amice de Montfort
Amice was born in 1080.

 Isabel (Elizabeth) De Beaumont
Isabel (Elizabeth) was born in 1100.  She died at the age of 72 in 1172.

 Eleanor De Beaumont
Eleanor was born in 1115 in Cheshire, England.

 Margaret De Beaumont
Margaret was born in 1118 in Flamsted, Hertfordshire, England.  She died at the age of 67 in 1185.

 Mabel De Beaumont
Mabel was born in 1120.