Arnold du Bois , of Assington
Arnold du was born about 1159 in Assington, Sudbury, Suffolk, England.  He died in Thorpe Arnold, Leicestershire, England.

 Emma de Hedenton
Emma de was born about 1161 in Thorpe Arnold, Leicestershire, England.  Emma de is no longer alive.

 Ernald du Bois , of Thorpe Arnold
Ernald du was born about 1190 in Thorpe Arnold, Leicestershire, England.  He died before July 1255.

 John de Bois
John de was born about 1192 in Thorpe Arnold, Leicestershire, England.