Sir Ralph De Cromwell
Sir Ralph was born about 1226 in Cromwell, Nottinghamshire, England.  He died on September 18th, 1289.

 Margaret De Somery
Margaret was born about 1229 in Dudley, Worcestershire, England.  She died on June 18th, 1293.

 Ralph II De Cromwell
Ralph II was born about 1245 in Cromwell, Nottinghamshire, England.

 John De Cromwell
John was born about 1250.