1. COUNT RICHWIN¹ OF VERDUN was born between 852 and 909, and died in 923^[1]. He married (JT-53) CUNEGONDE, daughter of (JT-45) Ermentrude (of FRANCE), who was born about 890^[1].
Child:

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2

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COUNT SIEGFRIED2 OF LUXEMBOURG, b. about 922; d. on 15 Aug. 998; m. about 950 HEDWIG, d. on 13 Dec. 992[1].

2. COUNT SIEGFRIED² OF LUXEMBOURG (Richwin of VERDUN¹), son of (1) Count Richwin¹ and (JT-53) Cunegonde, was born about 922^[1], and died on 15 Aug. 998^[1]. He married about 950, HEDWIG^[1], who died on 13 Dec. 992^[1]. ^{[2, 14]}
Child:

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3

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COUNT FREDERICK I3 OF LUXEMBOURG of Luxembourg, b. about 965; d. in 1019; m. before 995 (AOS-3) ERMENTRUDE OF GLEIBERG, daughter of (AOS-2) Herbert I and Irmentrude GLEIBERG.

3. COUNT FREDERICK I³ OF LUXEMBOURG (Siegfried², Richwin of VERDUN¹) of Luxembourg, son of (2) Count Siegfried² and Hedwig, was born about 965^[1], and died in 1019^{[1, 8]}. He married before 995, (AOS-3) ERMENTRUDE OF GLEIBERG^[1], daughter of (AOS-2) Herbert I and Irmentrude GLEIBERG. ^{[3, 15, 11, 7]}This individual has alternate parents in the database:
(JT-55) Count Siegfried II and Edith (of LONGWY) (LUXEMBOURG)

Children:

+	4	i.	ERMENGARDE4 DE LUXEMBOURG, b. about 990; d. in 1055; m. (DL-3) DUKE GUELPH II OF BAVARIA, b. about 972[9], d. in 1030[9], son of (DL-2) Duke Rudolph II and Itha (of OENINGEN).
+	5	ii.	OGIVE OF LUXEMBOURG of Luxembourg, b. about 995; d. on 21 Feb. 1030; m. in 1012 (U-14) COUNT BALDWIN IV THE BEARDED OF VALENCIENNES of Valenciennes, France, b. in 980, d. on 30 May 1036, son of (U-13) Count Arnold II the Young and (UO-4) Rosele (or Susanna) (of ITALY).
+	6	iii.	GISELE OF LUXEMBOURG, d. after 1058; m. (PY-1) RALPH DE GAUNT, d. after 1058[1].
+	7	iv.	COUNT GISELBERT DE LUXEMBOURG, d. in 1060.
+	8	v.	FREDERICK DE LUXEMBOURG, d. in 1065; m. (FK-6) GERBERGE DE BOULOGNE, daughter of (FK-3) Count Eustace I and (AHP-16) Maud (of LOUVAIN).

4. ERMENGARDE⁴ DE LUXEMBOURG (Frederick I³, Siegfried², Richwin of VERDUN¹), daughter of (3) Count Frederick I³ and (AOS-3) Ermentrude (of GLEIBERG), was born about 990^[9], and died in 1055^[9]. She married (DL-3) DUKE GUELPH II OF BAVARIA, son of (DL-2) Duke Rudolph II and Itha (of OENINGEN), who was born about 972^[9], and died in 1030^[9]. ^[9]
Child: See (DL-3) Duke Guelph II of BAVARIA
5. OGIVE⁴ OF LUXEMBOURG (Frederick I³, Siegfried², Richwin of VERDUN¹) of Luxembourg, daughter of (3) Count Frederick I³ and (AOS-3) Ermentrude (of GLEIBERG), was born about 995^[1], and died on 21 Feb. 1030^[1]. She married in 1012, (U-14) COUNT BALDWIN IV THE BEARDED OF VALENCIENNES of Valenciennes, son of (U-13) Count Arnold II the Young and (UO-4) Rosele (or Susanna) (of ITALY), who was born in 980, and died on 30 May 1036. ^{[1, 12, 10]}
Child: See (U-14) Count Baldwin IV the Bearded of VALENCIENNES
6. GISELE⁴ OF LUXEMBOURG (Frederick I³, Siegfried², Richwin of VERDUN¹), daughter of (3) Count Frederick I³ and (AOS-3) Ermentrude (of GLEIBERG), was born between 969 and 1020, and died between 1058 and 1129^[1]. She married (PY-1) RALPH DE GAUNT, who died after 1058^[1]. ^{[4, 16]}
Child: See (PY-1) Ralph de GAUNT
7. COUNT GISELBERT⁴ DE LUXEMBOURG (Frederick I³, Siegfried², Richwin of VERDUN¹), son of (3) Count Frederick I³ and (AOS-3) Ermentrude (of GLEIBERG), was born between 969 and 1020, and died in 1060^[8].
Child:

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9

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COUNT CONRAD I5 OF LUXEMBOURG, d. in 1086; m. CLEMENCE OF LONGWY, d. in 1086[8].

8. FREDERICK⁴ DE LUXEMBOURG (Frederick I³, Siegfried², Richwin of VERDUN¹), son of (3) Count Frederick I³ and (AOS-3) Ermentrude (of GLEIBERG), was born between 969 and 1020, and died in 1065^[6]. He married (FK-6) GERBERGE DE BOULOGNE, daughter of (FK-3) Count Eustace I and (AHP-16) Maud (of LOUVAIN). ^[6]
Child:

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10

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JUTTA5 OF LUXEMBOURG, m. (LH-3) COUNT VALERAN II DE LIMBURG, d. in 1081[6], son of (LH-2) Count Valeran I and (JT-66) Adela (de BAR).

9. COUNT CONRAD I⁵ OF LUXEMBOURG (Giselbert⁴, Frederick I³, Siegfried², Richwin of VERDUN¹), son of (7) Count Giselbert⁴, was born between 1014 and 1061, and died in 1086^[8]. He married CLEMENCE OF LONGWY, who died in 1086^[8]. ^{[5, 13]}
Child:

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11

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ERMISENDE6 DE LUXEMBOURG of Trier, Rhineland, Germany, b. about 1084; d. on 24 June 1143; m. (ABU-9) COUNT GODFREY OF NAMUR, b. about 1073, d. on 19 Aug. 1139[1], son of (ABU-7) Count Albert III and (EH-6) Ida (of SAXONY).

10. JUTTA⁵ OF LUXEMBOURG (Frederick⁴, Frederick I³, Siegfried², Richwin of VERDUN¹), daughter of (8) Frederick⁴ and (FK-6) Gerberge (de BOULOGNE) LUXEMBOURG, was born between 969 and 1066, and died between 1009 and 1175. She married (LH-3) COUNT VALERAN II DE LIMBURG, son of (LH-2) Count Valeran I and (JT-66) Adela (de BAR), who died in 1081^[6]. ^[6]
Child: See (LH-3) Count Valeran II de LIMBURG

11. ERMISENDE⁶ DE LUXEMBOURG (Conrad I⁵, Giselbert⁴, Frederick I³, Siegfried², Richwin of VERDUN¹) of Trier, daughter of (9) Count Conrad I⁵ and Clemence (of LONGWY), was born about 1084, and died on 24 June 1143. She married (ABU-9) COUNT GODFREY OF NAMUR, son of (ABU-7) Count Albert III and (EH-6) Ida (of SAXONY), who was born about 1073, and died on 19 Aug. 1139^[1]. ^{[1, 5, 13, 8]}
Children: See (ABU-9) Count Godfrey of NAMUR