1. PIERS¹ DE LUTEGARESHALE was born about 1134 in Cherhill, Wiltshire, England, United Kingdom, and died between 1151 and 1254. He married in England, (ABF-4) MAUD DE MANDEVILLE, daughter of (ABF-3) Geoffrey and (ARS-3) Rohese (de VERE) DE MANDEVILLE, who was born about 1138 in Rycott, Oxford, England, and died in England. ^{[26, 19]}
Child:

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GEOFFREY2 FITZ PIERS, EARL OF ESSEX of Walden, Essex, England, b. about 1162; d. on 14 Oct. 1213; m. (1) before 25 Jan. 1184/5 (AKW-2) BEATRICE DE SAY, d. before 19 April 1197[16], daughter of (AKW-1) William DE SAY; m. (2) (P-97) AVELINE DE CLARE of Hereford, Herefordshire, England, b. about 1172, d. about 4 June 1225, daughter of (P-86) Roger, Earl of Hertford and (ANI-2) Countess Maud (Matilda) (de ST. HILARY).

2. GEOFFREY² FITZ PIERS, EARL OF ESSEX (Piers de LUTEGARESHALE¹) of Walden, son of (1) Piers¹ and (ABF-4) Maud (de MANDEVILLE) DE LUTEGARESHALE, was born about 1162, and died on 14 Oct. 1213. He married (1st) before 25 Jan. 1184/5, (AKW-2) BEATRICE DE SAY^[16], daughter of (AKW-1) William DE SAY, who died before 19 April 1197^[16]. He married (2nd) (P-97) AVELINE DE CLARE of Hereford, daughter of (P-86) Roger, Earl of Hertford and (ANI-2) Countess Maud (Matilda) (de ST. HILARY), who was born about 1172, and died about 4 June 1225. ^{[2, 18, 24, 8, 15, 26, 16]}
Child of: Geoffrey² FITZ PIERS, Earl of Essex and Beatrice de SAY:

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MAUD3 FITZ GEOFFREY, d. on 27 Aug. 1236[1]; m. (FR-3) HENRY DE BOHUN, EARL OF HEREFORD, b. in 1176[1], d. on 1 June 1220[1], son of (FR-2) Baron Humphrey IV and (G-22) Margaret (of HUNTINGDON) (OF BRITTANY).

Children of: Geoffrey² FITZ PIERS, Earl of Essex and Aveline de CLARE:

+	4	i.	JOHN3 FITZ GEOFFREY, JUSTICIAR OF IRELAND, b. before 1209 in Shere, Farnbridge, Surrey, England[1]; d. on 23 Nov. 1258; m. between 1230 and 1234 (ET-6) ISABEL LE BIGOD, daughter of (ET-4) Hugh II, 3rd Earl of Norfolk and (ABM-6) Maud (Matilda) (MARSHALL), Countess of Norfolk.
+	5	ii.	HAWISE FITZ GEOFFREY, d. before 1243[1]; m. (ACZ-6) SIR REYNOLD DE MOHUN II, b. about 1206[1], d. on 20 Jan. 1257/8[1], son of (ACZ-5) Reynold I, Earl of Somerset and (HD-3) Alice (de BRIWERE).

3. MAUD³ FITZ GEOFFREY (Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (2) Geoffrey², Earl of Essex and (AKW-2) Beatrice (de SAY), was born between 1165/6 and 1194, and died on 27 Aug. 1236^[1]. She married (FR-3) HENRY DE BOHUN, EARL OF HEREFORD, son of (FR-2) Baron Humphrey IV and (G-22) Margaret (of HUNTINGDON) (OF BRITTANY), who was born in 1176^[1], and died on 1 June 1220^[1]. ^{[20, 12, 11, 1]}
Child: See (FR-3) Henry de BOHUN, Earl of Hereford
4. JOHN³ FITZ GEOFFREY, JUSTICIAR OF IRELAND (Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), son of (2) Geoffrey², Earl of Essex and (P-97) Aveline (de CLARE), was born before 1209 in Shere^[1], and died on 23 Nov. 1258. He married between 1230 and 1234, (ET-6) ISABEL LE BIGOD^[10], daughter of (ET-4) Hugh II, 3rd Earl of Norfolk and (ABM-6) Maud (Matilda) (MARSHALL), Countess of Norfolk. ^{[4, 25, 8, 23, 14, 10, 1]}
"of Shere, Farnbridge, etc., Justiciar of Ireland, 1245-1256"
Children:

+	6	i.	MAUD4 FITZ JOHN, b. about 1250 in Shere, Surrey; d. on 16 April 1301 in Grey Friars, Worcestershire, England; m. before 1270 of Worcestershire (EC-10) WILLIAM DE BEAUCHAMP, 9TH EARL OF WARWICK of Elmley Castle, Worcestershire, b. about 1210, d. in Elmley, Worcestershire, son of (EC-9) Lord William and (ABW-7) Isabel (de MAUDUIT) (UM FRAVILLE).
+	7	ii.	JOAN FITZ JOHN, d. about 26 May 1303; m. (GL-2) THEOBALD BUTLER, b. about 1242[1], d. on 26 Sept. 1285[1], son of (GL-1) Theobald and Margery (de BURGH) LE BOTELER.
	8	iii.	AVELINA FITZ JOHN, d. about 20 May 1274.
+	9	iv.	ISABEL FITZ JOHN, b. about 1233 in Shere, Surrey; d. between 1254 and 1348; m. (ARX-2) ROBERT DE VIPONT, LORD OF WESTMORLAND of Brougham Castle, Westmorland, England, b. about 1222, d. on 7 June 1264[16], son of (ARX-1) John and (PQ-14) Sibyl (de FERRERS) VIPONT.

5. HAWISE³ FITZ GEOFFREY (Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (2) Geoffrey², Earl of Essex and (P-97) Aveline (de CLARE), was born between 1175/6 and 1214, and died between 1218 and 1243^[1]. She married (ACZ-6) SIR REYNOLD DE MOHUN II, son of (ACZ-5) Reynold I, Earl of Somerset and (HD-3) Alice (de BRIWERE), who was born about 1206^[1], and died on 20 Jan. 1257/8^[1]. ^{[3, 17, 24, 15, 1]}
Child: See (ACZ-6) Sir Reynold de MOHUN II

6. MAUD⁴ FITZ JOHN (John FITZ GEOFFREY³, Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (4) John³, Justiciar of Ireland and (ET-6) Isabel (le BIGOD) (DE LACY), was born about 1250 in Shere, Surrey, died on 16 April 1301 in Grey Friars and was buried on 7 May 1301 in Grey Friars. She married of Worcestershire, before 1270, (EC-10) WILLIAM DE BEAUCHAMP, 9TH EARL OF WARWICK of Elmley Castle, son of (EC-9) Lord William and (ABW-7) Isabel (de MAUDUIT) (UM FRAVILLE), who was born about 1210, died in Elmley, and was buried on 22 June 1298 in Grey Friars. ^{[5, 21, 23, 9, 13, 10]}
Children: See (EC-10) William de BEAUCHAMP, 9th Earl of Warwick
7. JOAN⁴ FITZ JOHN (John FITZ GEOFFREY³, Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (4) John³, Justiciar of Ireland and (ET-6) Isabel (le BIGOD) (DE LACY), was born between 1193 and 1239, and died between 26 March 1303 and 26 July 1303. She married (GL-2) THEOBALD BUTLER, son of (GL-1) Theobald and Margery (de BURGH) LE BOTELER, who was born about 1242^[1], and died on 26 Sept. 1285^[1]. ^{[6, 6]}
Child: See (GL-2) Theobald BUTLER
9. ISABEL⁴ FITZ JOHN (John FITZ GEOFFREY³, Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (4) John³, Justiciar of Ireland and (ET-6) Isabel (le BIGOD) (DE LACY), was born about 1233 in Shere, Surrey, and died between 1254 and 1348. She married of Woodham, Essex, (ARX-2) ROBERT DE VIPONT, LORD OF WESTMORLAND of Brougham Castle, son of (ARX-1) John and (PQ-14) Sibyl (de FERRERS) VIPONT, who was born about 1222, and died on 7 June 1264^[16]. ^{[7, 22, 7, 22]}
Child: See (ARX-2) Robert de VIPONT, Lord of Westmorland