Robert De Hastang
Robert was born about 1242 in Chebsey, Stafford, England.  He died in 1304.

 Isabella De Mortimer
Isabella was born about 1248 in Wigmore, Herefordshire, England.  She died before August 10th, 1274.

 John De Hastang
John was born about 1275 in Chebsey, Stafford, England.  He died before 1332.