Alice de Mandeville
1144 - Yes, date unknown
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- 1 Alice de Mandeville [1] b. 1144 d. Yes, date unknown
- John FitzRichard Clavering de Lacy b. 1139 d. 11 Oct 1190
- 2 Helen de Lacy [1.1] b. 1165 d. Yes, date unknown
- 2 Henry Leigh de Lacy [1.2] b. 1170 d. Yes, date unknown
- 2 Baron of Halton and Pontefract Baron of Halton and Pontefract Roger de Lacy [1.3] b. 1171 d. 1212
- Matilda de Clare b. 1180 d. 1249
- 3 Earl of Lincoln Earl of Lincoln John De Lacy [1.3.1] b. 1192 d. 22 Jul 1240
- Margaret De Quincy b. 1208 d. 30 Mar 1266
- 4 Maud De Lacie [1.3.1.1] b. 1223 d. 10 Mar 1288
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- 4 Idonia Alice de Lacy [1.3.1.2] b. 1230 d. Yes, date unknown
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- 4 2nd Earl of Lincoln 2nd Earl of Lincoln Edmund de Lacy [1.3.1.3] b. 1230 d. 02 Jun 1258
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- 4 Maud De Lacie [1.3.1.1]
- 3 Earl of Lincoln Earl of Lincoln John De Lacy [1.3.1]
- 2 Joanna de Lacy [1.4] b. 1173 d. Yes, date unknown
- Geoffrey de Dutton b. 1154 d. Yes, date unknown
- 3 Geoffrey de Dutton [1.4.1] b. 1190 d. 1248
- Agnes de Massey b. 1190 d. Yes, date unknown
- 4 Agnes de Dutton [1.4.1.1] b. 1210 d. Yes, date unknown
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- 4 Margaret de Dutton [1.4.1.2] b. 1212 d. Yes, date unknown
- 4 Geoffrey de Dutton [1.4.1.3] b. 1217 d. 1296
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- 4 Agnes de Dutton [1.4.1.1]
- 3 Geoffrey de Dutton [1.4.1]
- 2 Constable of Flamburgh Constable of Flamburgh Robert de Lacy [1.5] b. 1177 d. Yes, date unknown
- 2 Alice de Lacy [1.6] b. 1180 d. Yes, date unknown
- Geoffrey Dutton b. 1176 d. 1248
- 3 Agnes Dutton [1.6.1] b. 1200 d. Yes, date unknown
- 3 Geoffrey Dutton [1.6.2] b. 1218 d. 1296
- Idonia Alice de Lacy b. 1230 d. Yes, date unknown
- 4 Margaret Dutton [1.6.2.1] b. 1238 d. 1305
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- 4 Thomas Dutton [1.6.2.2] b. 1245 d. Yes, date unknown
- 4 Peter of Warburton [1.6.2.3] b. 1246 d. Yes, date unknown
- 4 Margaret Dutton [1.6.2.1]
- 3 Agnes Dutton [1.6.1]
- 2 Helen de Lacy [1.1]