Arnold IV Du Bois
Arnold IV was born about 1221 in Thorpe Arnold, Leicestershire, England.  He died on April 1st, 1277 in Thorpe Arnold, Leicestershire, England.

 John Du Bois
John was born about 1252 in Thorpe Arnold, Leicestershire, England.  He died in 1295.

 Isabel Du Bois
Isabel was born about 1254 in Thorpe Arnold, Leicestershire, England.  She died about 1282.

 William Du Bois
William was born about 1256 in Thorpe Arnold, Leicestershire, England.  He died about March 6th, 1313.