Hugh De Clitheroe
Hugh was born about 1346 in Clitheroe, Lancashire, England.

 Isabel De Gras
Isabel was born about 1348 in Cambridgeshire, England.

 Mary De Clitheroe
Mary was born about 1372 in Clitheroe, Lancashire, England.  She died in Norton, South Yorkshire, England.

 Isabel De Clitheroe
Isabel was born about 1375 in Clitheroe, Lancashire, England.