man Guelph of " Guelph I, Duke of Bavaria" Altdorf, Duke of Bavaria‏‎, son of Welf of Argengau and Hermenlindis of Bavaria‏.
Born ‎ 778 at Altdorf, Bavaria, died ‎ 818 at Bavaria‎, 39 or 40 years
Name: Welf (Guelph) III Duke of Bavaria 1 2 3
Sex: M
Name: Welf of Alemannia 4
Birth: 787 in Altdorf, Bavaria 5
Death: 818 5
Death: ABT 825 6
Note: Note: Referring to Wurts, William Marshall gives Isenbart as an alternative parent to Welf (Guelph), but also indicates as possible father: Ruthardus, Duke of Bavaria, living 768, son of Guelph (Welf) Duke of Fruili & Bavaria. This data follows Turton, bit it also contains information on Isenbart & Immentrude von Schwaben from other ancestry.com/WFT going back at least 18 generations. WHICH IS CORRECT?

Father: Welf (Guelph) I of Argengaid b: 745 in Germany
Mother: Hermenlindis of Bavaria b: ABT 750 in Bavaria, Germany

Marriage 1 Edith (Eigilwich\Heilwig\Hedwig) of Saxony b: ABT 780 in Saxony, Germany
Married: BEF 800
Married: WFT Est 741-799 7
Married: WFT Est 759-810 8
Married: WFT Est 775-818 9
Married: WFT Est 795-825 10
Children
Rudolph Comte de Ponthieu b: ABT 805 in Ponthieu, Rhone-Alpes, France
Conrad I Count of Aargau & Auxerre b: ABT 800 in Auxerre, Yonne, Bourgogne, France
Judith of Bavaria b: 800 in Bavaria, Germany
Emma of Bavaria b: ABT 810 in Bavaria, Germany

Sources:
Title: Newsgroup: soc.genealogy.medieval, at groups - google.com
Repository:
Call Number:
Media: Electronic
Page: William Marshall, 3 Dec 988
Text: father of Rudolph
Title: Newsgroup: soc.genealogy.medieval, at groups - google.com
Repository:
Call Number:
Media: Electronic
Page: Alan B. Wilson, 30 Dec 1998
Text: Welf I of Bavaria, father of Judith
Title: Ancestral Roots of Certain American Colonists, 7th Ed.
Author: Weis, Frederick Lewis, additions by Walter Lee Shippard Jr.
Publication: 1999
Repository:
Call Number:
Media: Book
Page: 140-14
Title: Directory of Royal Genealogical Data
Author: Brian Tompsett, Dept of Computer Science
Publication: Department of Computer Science, Hull University
Note: usually reliable but sometimes includes hypothetical lines, mythological figures, etc
Repository:
Note: http://www.dcs.hull.ac.uk/public/genealogy/royal/catalog.html
Call Number:
Media: Electronic
Title: The Plantagenet Ancestry, 1993 edition
Author: Turton, William H.
Publication: Genalogical Publishing Co., Baltimore, 1928 (1993 edition)
Repository:
Call Number:
Media: Book
Page: 181
Title: Newsgroup: soc.genealogy.medieval, at groups - google.com
Repository:
Call Number:
Media: Electronic
Page: Alan B. Wilson, 30 Dec 1998
Title: World Family Tree Vol. 10, Ed. 1
Author: Brøderbund Software, Inc.
Publication: Release date: May 6, 1997
Note: Customer pedigree.
Repository:
Call Number:
Media: Book
Page: Tree 0008
Text: Date of Import: Jun 26, 1998
Title: World Family Tree Vol. 11, Ed. 1
Author: Brøderbund Software, Inc.
Publication: Release date: July 1, 1997
Note: Customer pedigree.
Repository:
Call Number:
Media: Book
Page: Tree 1246
Text: Date of Import: Jun 20, 1999

Married ‎ 797 at Burgundy, France (20 or 21 years married) to:

woman Engilwich Hedwig of "Duchess of Bavaria Hedwig" Saxony, Abbess of Chelles‏‎, daughter of Witikind of "Duke of Saxony, Duke of Westphalia" Saxony and Svatana of Saxe‏.
Born ‎± ABT. 780 at Saxony, Germany, died ‎after AFT. 833 at Abbey of Chelles, near Paris, France‎
Name: Edith (Eigilwich\Heilwig\Hedwig) of Saxony 1 2
Sex: F
Birth: ABT 780 in Saxony, Germany
Death: AFT 833 3
Death: AFT 833 in an Abbis of Chelles by Paris 4

Marriage 1 Welf (Guelph) III Duke of Bavaria b: 787 in Altdorf, Bavaria
Married: BEF 800
Married: WFT Est 741-799 5
Married: WFT Est 759-810 4
Married: WFT Est 775-818 6
Married: WFT Est 795-825 7
Children
Rudolph Comte de Ponthieu b: ABT 805 in Ponthieu, Rhone-Alpes, France
Conrad I Count of Aargau & Auxerre b: ABT 800 in Auxerre, Yonne, Bourgogne, France
Judith of Bavaria b: 800 in Bavaria, Germany
Emma of Bavaria b: ABT 810 in Bavaria, Germany

Sources:
Title: The Plantagenet Ancestry, 1993 edition
Author: Turton, William H.
Publication: Genalogical Publishing Co., Baltimore, 1928 (1993 edition)
Repository:
Call Number:
Media: Book
Page: 181
Title: Newsgroup: soc.genealogy.medieval, at groups - google.com
Repository:
Call Number:
Media: Electronic
Page: Alan B. Wilson, 30 Dec 1998
Text: Eigilwich/Heilwig (no last name)
Title: Newsgroup: soc.genealogy.medieval, at groups - google.com
Repository:
Call Number:
Media: Electronic
Page: Alan B. Wilson, 30 Dec 1998
Title: World Family Tree Vol. 29, Ed. 1
Author: Brøderbund Software, Inc.
Publication: Release date: August 23, 1996
Note: Customer pedigree.
Repository:
Call Number:
Media: Other
Page: Tree 1160
Text: Date of Import: Aug 8, 1998
Title: World Family Tree Vol. 11, Ed. 1
Author: Brøderbund Software, Inc.
Publication: Release date: July 1, 1997
Note: Customer pedigree.
Repository:
Call Number:
Media: Book
Page: Tree 1246
Text: Date of Import: Jun 20, 1999

Children:

1.
man Konrad Welf of "Count of Aargau & Auxerre, Konrad of Aargau & Aux" Auxerre‏
Born ‎± ABT. 800 at , died ‎ Sep 21, 862 at of Auxerre, Bavaria‎, approximately 62 years
Name: Konrad I WELF Count of Auxerre
Surname: Welf
Given Name: Konrad I
NSFX: Count of Auxerre
Sex: M
Birth: 0800 in of Eritgau,of Aargau, Bavaria
Death: 21 Sep 0862 in of Auxerre, Bavaria
Reference Number: Foster,Bur
_UID: E166FDF0D7632A4E88DBECD074AFBE8A707F
Note:
Son of Guelph I of Altdorf and Hedwig Eigilwich von Saxony; m. Adela de Tours; father of:
1. Adalgunde who m. Erenfried I of Bliesgau
2. Conrad II of Auxerre who m. Ermentrude de Eticonides
3. Welf of Altdorf
[Michael Thissen
FOSTER, WAITE, NEWLIN, BURR LINES

Mayflower PAF

Count of Auxerre; son of Welf, Count in the Eritgau, and Eigilwich; m. Adelaide of Tours; father of Konrad II, Count of Auxerre. [GRS 3.03, Automated Archives, CD1, CD00
Author: Automated Archives, Inc.
Publication: Genealogical Research
Glick/Foster Ancestry at Rootsweb.com
2.
woman Judith Andeck of Altdorf, Princess of Bavaria‏
Born ‎± ABT. 802 at Altdorf, Bavaria, died ‎ Apr 19, 843 at Tours, Indre-et-Loire, France‎, approximately 41 years
Name: Judith of Bavaria 1
Sex: F
ALIA: Judith of /Andech/
Title: Princess of Bavaria
Name: Judith of Andech , Von Altdorf 2
Birth: 800 in Bavaria, Germany 3
Birth: 800 in Altdorf, Bavaria 2
Death: 19 APR 843 in Tours, France 4
Event: Gen Source 29 MAR 1994 ARP 1618:3; ARP 1612:1; ARP 1458:27 5
Event: Fact d Apr 19, 843, Tours 5
Note: Her parents are shown to be either 1) Geulph III of Andech or 2) Welf I, Count of Bavaria. WFT 4, Tree 0092 and 1106, and WFT 10, Tree 3809 show Geulph III. WFT 22, Tree 28319
Repository:
Call Number:
Media: Electronic
Text: Date of Import: Jan 15, 2000
Title: The Phillips, Weber, Kirk, & Staggs families of the Pacific Northwest
Author: Jim Weber
Publication: ancestry.com
Note: downloaded periodically 2001-2004. Updated frequently, with many sources.
Repository:
Note: jim.weber@nwintl.com
Call Number:
Media: Electronic
Title: Ancestral Roots of Certain American Colonists, 7th Ed.
Author: Weis, Frederick Lewis, additions by Walter Lee Shippard Jr.
Publication: 1999
Repository:
Call Number:
Media: Book
Page: 140-14
Title: World Family Tree Vol. 29, Ed. 1
Author: Brøderbund Software, Inc.
Publication: Release date: August 23, 1996
Note: Customer pedigree.
Repository:
Call Number:
Media: Other
Page: Tree 008
Text: Date of Import: Jun 26, 1998
Title: Encyclopedia Britannica, Treatise on
Repository:
Call Number:
Media: Book
Page: Louis I
Text: year only
3.
woman Emma of Bavaria, Queen of Germany‏
Born ‎± ABT. 804 at Bavaria, died ‎ Jan 31, 875/76‎, approximately 71 years
Name: Emma of Bavaria 1
Sex: F
Birth: ABT 810 in Bavaria, Germany 2
Death: 876

Father: Welf (Guelph) III Duke of Bavaria b: 787 in Altdorf, Bavaria
Mother: Edith (Eigilwich\Heilwig\Hedwig) of Saxony b: ABT 780 in Saxony, Germany

Marriage 1 Louis II "The German" King of East Franks b: ABT 806 in Germany
Children
Hildegarde of Bavaria
Carloman King of Bavaria b: ABT 828 in Bavaria, Germany
Louis the Younger b: 835
Charles III the Fat b: 839

Sources:
Title: Directory of Royal Genealogical Data
Author: Brian Tompsett, Dept of Computer Science
Publication: Department of Computer Science, Hull University
Note: usually reliable but sometimes includes hypothetical lines, mythological figures, etc
Repository:
Note: http://www.dcs.hull.ac.uk/public/genealogy/royal/catalog.html
Call Number:
Media: Electronic
Title: The Phillips, Weber, Kirk, & Staggs families of the Pacific Northwest
Author: Jim Weber
Publication: ancestry.com
Note: downloaded periodically 2001-2004. Updated frequently, with many sources.
Repository:
Note: jim.weber@nwintl.com
Call Number:
Media: Electronic
4.
man Rudolph of Eritgau‏
Born ‎± ABT. 810 at Eritgau, Germany, died ‎ Jan 6, 865/66‎, approximately 55 years
Name: Rudolph WELF
Surname: Welf
Given Name: Rudolph
Sex: M
Birth: ABT 0810 in of Eritgau,,,Germany
Death: 6 Jan 0866
_UID: F0FA9CBD18103C4BBDAD3A9C5EF159B69050
Note: Mayflower PAF
Change Date: 19 Mar 2003 at 17:13:05

Father: Guelph I WELF Count of Altdorf b: 0778 in Altdorf, Mittelfranken, Bavaria
Mother: Edith Eigilwich Chellesof SAXONY Duchess of Bavaria b: ABT 0780 in Bavaria.
From 'Glick/Foster Ancestry' at Rootsweb.com