Robert Lisle
Robert was born on January 20th, 1288 in Campton, Biggleswade, Bedfordshire, England.  He died at the age of 55 on January 4th, 1344 in Rougemont Castle, Weeton, West Riding, Yorkshire, England.

 Margaret De Beauchamp
Margaret was born about 1295 in Beauchamp's Court, Alcester, Warwickshire, England.  She died before September 1339.

 John Lisle
John was born about 1318 in Rougemont Castle, Weeton, West Riding, Yorkshire, England.  He died on October 14th, 1355.