Edmund 1st Baron Deincourt , 8th Lord D'Eyncourt
Edmund 1st Baron was born about 1248 in Blankney, Lincolnshire, England.

 Isabel de Mohun
Isabel de was born about 1248 in Dunster, Williton, Somerset, England.  She died before November 26th, 1280.

 Isabel (Maude) Deincourt
Isabel (Maude) was born about 1270 in Blankney, Lincolnshire, England.  She died before May 29th, 1348 in Emley, Wakefield, Yorkshire, England.

 John Deincourt
John was born about 1270 in Blankney, Lincolnshire, England.  He died in (dvp).

 Margaret Deincourt
Margaret was born about 1275 in Blankney, Lincolnshire, England.  She died before October 18th, 1333.