Theobald (Baron) de VERDUN
Theobald (Baron) de was born on September 8th, 1278 in Alton Castle, Alton, Staffordshie, England.  He died at the age of 37 on July 27th, 1316 in Alton, Staffordshire, England.

 Matilda (Maud) de MORTIMER
Matilda (Maud) de was born about 1286 in Wigmore, Herefordshire, England.  She died on September 18th, 1312 in Alton, Staffordshire, England.

 Margaret (Margery) de VERDUN
Margaret (Margery) de was born on August 10th, 1310 in Alton Castle, Alton, Stafordshire, England.  She died at the age of 27 in 1337.