1. PIERS¹ DE LUTEGARESHALE was born circa 1134 in Cherhill, Wiltshire, England, and died between 1161 and 1244. He married in England, (YA-4) MAUD DE MANDEVILLE, daughter of (YA-3) Geoffrey and (ALS-3) Rohese (de VERE) MANDEVILLE, who was born circa 1138 in Rycott, Oxford, England, and died in England. ^{[1, 20]}
Child:

+

2

i.

GEOFFREY2 FITZ PIERS, EARL OF ESSEX of Walden, Essex, England, b. circa 1162, d. on 14 Oct. 1213; m. (1) (AGC-2) BEATRICE DE SAY before 25 Jan. 1184/5; m. (2) (L-20) AVELINE DE CLARE.

2. GEOFFREY² FITZ PIERS, EARL OF ESSEX (Piers de LUTEGARESHALE¹) of Walden, son of (1) Piers¹ and (YA-4) Maud (de MANDEVILLE) LUTEGARESHALE, was born circa 1162, and died on 14 Oct. 1213^[17]. He married (1st) before 25 Jan. 1184/5, (AGC-2) BEATRICE DE SAY^[17], daughter of (AGC-1) William SAY, who died before 19 April 1197^[17]. He married (2nd) (L-20) AVELINE DE CLARE of Hereford, Herefordshire, England, daughter of (L-16) Roger, Earl of Hertford and (AHV-2) Countess Maud (Matilda) (de ST. HILARY), who was born circa 1172, and died circa 4 June 1225. ^{[3, 19, 25, 9, 16, 1]}
Child of: Geoffrey² FITZ PIERS, Earl of Essex and Beatrice de SAY:

+

3

i.

MAUD3 FITZ GEOFFREY, d. on 27 Aug. 1236; m. (ET-3) HENRY DE BOHUN, EARL OF HEREFORD.

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

+	4	i.	JOHN3 FITZ GEOFFREY, JUSTICIAR OF IRELAND, b. before 1209, d. on 23 Nov. 1258; m. (EG-6) ISABEL LE BIGOD between 1230 and 1234.
+	5	ii.	HAWISE FITZ GEOFFREY, d. before 1243; m. (ZW-6) SIR REYNOLD DE MOHUN II.

3. MAUD³ FITZ GEOFFREY (Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (2) Geoffrey², Earl of Essex and (AGC-2) Beatrice (de SAY), was born between 1176 and 1194, and died on 27 Aug. 1236^[2]. She married (ET-3) HENRY DE BOHUN, EARL OF HEREFORD, son of (ET-2) Baron Humphrey IV and (E-21) Margaret (of HUNTINGDON) (BRITTANY), who was born in 1176^[2], and died on 1 June 1220^[2]. ^{[21, 13, 12]}
Child: See (ET-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 (L-20) Aveline (de CLARE), was born before 1209^[2], and died on 23 Nov. 1258^[2]. He married between 1230 and 1234, (EG-6) ISABEL LE BIGOD^[11], daughter of (EG-4) Hugh II, 3rd Earl of Norfolk and (YG-6) Maud (Matilda) (MARSHALL), Countess of Norfolk. ^{[5, 26, 9, 24, 15, 11]}
"of Shere, Farnbridge, etc., Justiciar of Ireland, 1245-1256"
Children:

+	6	i.	MAUD4 FITZ JOHN, b. circa 1250 in Shere, Surrey, England, d. on 16 April 1301 in Grey Friars, Worcestershire, England; m. (DN-10) WILLIAM DE BEAUCHAMP, 9TH EARL OF WARWICK before 1270 of Worcestershire.
+	7	ii.	JOAN FITZ JOHN, d. circa 26 May 1303; m. (FC-2) THEOBALD BUTLER.
	8	iii.	AVELINA FITZ JOHN, d. circa 20 May 1274.
+	9	iv.	ISABEL FITZ JOHN, b. circa 1233 in Shere; m. (ALX-2) ROBERT DE VIPONT, LORD OF WESTMORLAND.

5. HAWISE³ FITZ GEOFFREY (Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (2) Geoffrey², Earl of Essex and (L-20) Aveline (de CLARE), was born between 1186 and 1214, and died between 1200 and 1243^[2]. She married (ZW-6) SIR REYNOLD DE MOHUN II, son of (ZW-5) Reynold I, Earl of Somerset and (FZ-3) Alice (de BRIWERE), who was born circa 1206^[2], and died on 20 Jan. 1257/8^[2]. ^{[4, 18, 25, 16]}
Child: See (ZW-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 (EG-6) Isabel (le BIGOD) (LACY), was born circa 1250 in Shere, died on 16 April 1301 in Grey Friars and was buried on 7 May 1301 in Grey Friars. She married of Worcestershire, before 1270, (DN-10) WILLIAM DE BEAUCHAMP, 9TH EARL OF WARWICK of Elmley Castle, Worcestershire, son of (DN-9) Lord William and (YR-7) Isabel (de MAUDUIT) (UM FRAVILLE), who was born circa 1210, died in Elmley, Worcestershire, and was buried on 22 June 1298 in Grey Friars. ^{[6, 22, 24, 10, 14, 11]}
Children: See (DN-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 (EG-6) Isabel (le BIGOD) (LACY), was born between 1193 and 1239, and died circa 26 May 1303. She married (FC-2) THEOBALD BUTLER, son of (FC-1) Theobald and (GX-2) Margery (de BURGH) BOTELER, who was born circa 1242^[2], and died on 26 Sept. 1285^[2]. ^[7]
Child: See (FC-2) Theobald BUTLER
9. ISABEL⁴ FITZ JOHN (John FITZ GEOFFREY³, Geoffrey FITZ PIERS², Piers de LUTEGARESHALE¹), daughter of (4) John³, Justiciar of Ireland and (EG-6) Isabel (le BIGOD) (LACY), was born circa 1233 in Shere, and died between 1254 and 1343. She married of Woodham, Essex, (ALX-2) ROBERT DE VIPONT, LORD OF WESTMORLAND of Brougham Castle, Westmorland, England, son of (ALX-1) John and (NS-13) Sibyl (de FERRERS) VIPONT, who was born circa 1222, and died on 7 June 1264^[17]. ^{[8, 23]}
Child: See (ALX-2) Robert de VIPONT, Lord of Westmorland