Sir William Deincourt
Sir William was born about 1327 in Blankney, Lincolnshire, England.  He died on June 2nd, 1364.

 Margaret De Welles
Margaret was born about 1336 in North Elmsall, Yorkshire, England.

 Margaret Deincourt
Margaret was born about 1353.

 Elizabeth Deincourt
Elizabeth was born about 1355 in Blankney, Lincolnshire, England.

 William Deincourt
William was born about 1355 in Blankney, Lincolnshire, England.  He died on October 14th, 1381.