Roger de Lacie
Roger was born in 1171 in Lincoln, Lincoln, England.  He died at the age of 43 in 1214.

 Maud de Clare
Maud was born in 1175 in Lincoln, Lincoln, England.  She died at the age of 49 on February 1st, 1224.

 Earl John de Lacy of Lincoln
John was born in 1192 in Lincoln, England.  He died at the age of 48 in 1240.