Henry De Lacy
Henry was born on January 13th, 1251 in Bolingbroke, Lincolnshire, England.  He died before February 5th, 1311 in Lincoln's Inn, London, England.

 Margaret Longespee
Margaret was born about 1255 in Salisbury, Wiltshire, England.

 Edmund De Lacy
Edmund was born about 1275 in Bolingbroke, Lincolnshire, England.

 John De Lacy
John was born about 1278 in England.  He died before 1311.

 Alice De Lacy
Alice was born on December 25th, 1281 in Lincolnshire, England.  She died at the age of 66 on October 2nd, 1348.