John De Lacy
John was born in 1192 in Lincoln, Lincolnshire, , England.¹   He died at the age of 48 on July 22nd, 1240 in Chester, Cheshire, England.  He was buried in Whalley, Lancashire, England.^2 2 

 Margaret De Quincey
Margaret was born in 1208 in , Lincolnshire, , England.³   She died at the age of 57 on March 6th, 1265 in Clerkenwell, Middlesex, , England.  She was buried in Clerkenwell, Middlesex, England.^2 1 

 + Matilda Maud De Lacy
+ Matilda Maud was born in 1223 in Lincoln, Lincolnshire, , England.⁴   She died before 1289 in Lincoln, Lincolnshire, , England.⁵ 

 + Idonea De Lacy
+ Idonea was born in 1230 in Lincoln, Lincolnshire, , England.⁶   She died in Somme, Picardie, France.⁶ 

 Edmund De Lacy
Edmund was born in 1230 in Lincoln, Lincolnshire, , England.⁷   He died at the age of 28 in 1258 in Stanlaw, Lincolnshire, , England.⁷