Gilbert de Lacy was born on an unknown date to Walter de Lacy (c1172-1241) and Margaret de Braose (1177-aft1255) and died before 25 December 1230 of unspecified causes. He married Isabel Bigod (1212-1252) .
|Offspring of Gilbert de Lacy and Isabel Bigod (1212-1252)|
|Margery de Lacy (c1226-1256)||1226||1256||John de Verdun (c1226-1274)|
|Maud de Lacy (c1233-1303)|