John de Lacy
John was born about 1150 in Lincoln, Lincoln, England.  He died on October 15th, 1190 in Tyre, Lebanon, Palestine.

 Alice de Vere
Alice was born about 1155.

 Roger Helle de Lacy
Roger Helle was born in 1171 in Lincoln, Lincolnshire, England.  He died at the age of 40 in 1211 in Pontefract, Yorkshire, England.