1. ANDRE¹ DE VITRÉ of Derby, Derbyshire, England, United Kingdom was born about 1044, and died in 1139^[2]. He married (ADE-4) AGNES DE MORTAIGNE of Mortagne, S-Mnch, France, daughter of (ADE-1) Robert, Earl of Cornwall and (ACY-9) Maud (de MONTGOMERY), who was born about 1054. ^{[2, 3]}
Children:

+	2	i.	HAWISE2 DE VITRÉ, COUNTESS OF DERBY of VITRE, Brittany, France, b. about 1069; m. about 1087 (PP-3) ROBERT DE FERRERS of Derbyshire, b. about 1078, d. in 1139[1], son of (PP-2) Henry and Bertha (_____) FERRERS.
+	3	ii.	ROBERT I DE VITRÉ, m. EMMA DE LA GUERCHE.

2. HAWISE² DE VITRÉ, COUNTESS OF DERBY (Andre¹) of VITRE, daughter of (1) Andre¹ and (ADE-4) Agnes (de MORTAIGNE) DE VITRÉ, was born about 1069, and died between 1090 and 1189. She married about 1087, (PP-3) ROBERT DE FERRERS of Derbyshire, son of (PP-2) Henry and Bertha (_____) FERRERS, who was born about 1078, was christened in Charterley, Staffordshire, England, and died in 1139^[1].
Children: See (PP-3) Robert de FERRERS
3. ROBERT I² DE VITRÉ (Andre¹), son of (1) Andre¹ and (ADE-4) Agnes (de MORTAIGNE) DE VITRÉ, was born between 1058 and 1114, and died between 1072 and 1224. He married EMMA DE LA GUERCHE.
Child:

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4

i.

ROBERT II3 DE VITRÉ, d. in 1174; m. (NU-5) EMMA DE DINAN, daughter of (NU-3) Alan and (AHX-16) Eleanor (de PENTHIÈVRE) DE DINAN.

4. ROBERT II³ DE VITRÉ (Robert I², Andre¹), son of (3) Robert I² and Emma (de la GUERCHE) DE VITRÉ, was born between 1096 and 1160, and died in 1174^[3]. He married (NU-5) EMMA DE DINAN, daughter of (NU-3) Alan and (AHX-16) Eleanor (de PENTHIÈVRE) DE DINAN. ^[3]
Child:

+

5

i.

ELEANOR4 DE VITRÉ, b. about 1166; m. about 1190 (AJF-3) WILLIAM FITZ PATRICK, 2ND EARL OF SALISBURY, b. in England about 1150, d. on 17 April 1196, son of (AJF-2) Patrick, 1st Earl of Salisbury and (ACY-14) Ela (TALVAS) (DE WARENNE).

5. ELEANOR⁴ DE VITRÉ (Robert II³, Robert I², Andre¹), daughter of (4) Robert II³ and (NU-5) Emma (de DINAN) DE VITRÉ, was born about 1166, and died between 1190 and 1284. She married about 1190, (AJF-3) WILLIAM FITZ PATRICK, 2ND EARL OF SALISBURY, son of (AJF-2) Patrick, 1st Earl of Salisbury and (ACY-14) Ela (TALVAS) (DE WARENNE), who was born about 1150 in England, and died on 17 April 1196. ^[3]
Child: See (AJF-3) William FITZ PATRICK, 2nd Earl of Salisbury