Roger+ Cokayne
Roger+ was born about 1220 in Ashbourne, Derby, England.  He died in 1285 in Ashbourne, Derby, England.

 Elizabeth+ X
Elizabeth+ was born about 1221 in Ashbourne, Derby, England.  She died in Ashbourne, Derby, England.

 William+ Cokayne
William+ was born in 1244 in Ashbourne, Derby, England.