Gilbert de Notton
Gilbert de was born about 1170 in Notton, Yorkshire, England.  He died in 1222.

 Edith Grelle
Edith was born about September 1175 in Manchester, Lancashire, England.  She died in 1230.

 William de Notton
William de was born about 1190 in Notton, West Riding Yorkshire, England.  He died after 1231.