John De Lacy
John was born about 1150 in Lincoln,Lincolnshire,England.  He died on October 11th, 1190 in Palestine.

 Alice De Mandeville
Alice was born about 1154 in Rycott,Oxfordshire,England.

 Roger De Lacy
Roger was born about 1171 in Lincoln,Lincolnshire,England.  He died in 1211.