Alexander de Pilkington , Sir
Alexander de was born about 1225 in Pilkington Manor, Lancashire, England.  He died before 1291 in Pilkington Manor, Lancashire, England.

 Alice de Chetham
Alice de was born about 1230 in Chetham near Manchester, Lancashire, England.  She died in 1274 in Pilkington Manor, Lancashire, England.

 Roger de Pilkington , MP, Sir
Roger de was born about 1255 in Pilkington Manor, Lancashire, England.  He died after July 11th, 1322 in Pilkington Manor, Lancashire, England.