| Person | [Birth - Death] | Spouse |
|---|---|---|
| de Lacy | [? - ?] | Alan of Galloway |
| Albreda de Lacy | [? - ?] | Robert (Eudo) de Lisours |
| Alice de Lacy | [25 December 1281 - 1348] | |
| Edmund de Lacy | [? - 2 June 1258] | Alasia of Saluzzo |
| Egidia de Lacy | [about 1205 - ?] | Richard de Burgh |
| Gilbert de Lacy | [? - ?] | |
| Gilbert de Lacy | [? - before 25 December 1230] | Isabel Bigod |
| Henry de Lacy | [about 1251 - February 1311] | Joan Fitz Martin, Margaret Longespée |
| Hugh de Lacy | [? - before 1093] | |
| Hugh de Lacy | [? - 25 July 1186] | Rohese de Monmouth |
| Hugh de Lacy | [? - ?] | Emeline de Ridelsford |
| Hugh de Lacy | [? - ?] | Emma |
| Ilbert de Lacy | [? - (1093-1095)] | Hawise |
| Ilbert de Lacy | [? - about 1141] | Alice de Gant |
| Joan de Lacy | [? - ?] | |
| John de Lacy | [about 1192 - 22 July 1240] | Alice of L'Aigle, Margaret de Quincy |
| Katherine de Lacy | [? - ?] | |
| Margery de Lacy | [? - 1256] | John de Verdun |
| Maud de Lacy | [? - ?] | Geoffroy de Joinville |
| Maud de Lacy | [25 January 1223 - ?] | Richard de Clare |
| Maud de Lacy | [? - ?] | |
| Pernel de Lacy | [? - ?] | Ralph VI de Tosny |
| Peter de Lacy | [? - ?] | Constance Musard |
| Robert de Lacy | [? - ?] | Matilda |
| Roger de Lacy | [? - ?] | |
| Roger de Lacy | [1170 - 1211] | Maud de Clere |
| Walter de Lacy | [? - 27 March 1085] | Emma |
| Walter de Lacy | [1166 - 1241] | Margaret de Braose |