Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.


Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom available to be downloaded.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.


Individual Page


Family:
Marriage: Children:
  1. Olaf Of Dublin Death: 1034

Bibliography
  1. The Henry Project: The Ancestors of King Henry II of England, An eperiment in a cooperative online database for scholarly medieval genealogy. Contributors and Editors: Stewart Baldwin, Todd Farmerie, Peter Stewart. Available at https://fasg.org/projects/henryproject/ Information from this source tagged as [Ref: HenryII .*].
  2. Kelley, David H., The Ancestry of Eve of Leinster, in The Genealogist, vol 1 no 1, Spring 1980, pp4-27. NYPL APA 82-1000. Available at https://www.americanancestors.org/databases/genealogist-the/image/. Information from this source tagged as [Ref: Kelley Eve p[0-9]*].
  3. Kelley, David H., A Descent from the Kings of Strathclyde, The American Genealogist, vol 47 (Apr 1971) pp79-86. Available at http://americanancestors.org/databases/american-genealogist-the/image/. Information from this source tagged as [Ref: Kelley Strathclyde p[0-9]*].
  4. Moncreiffe, Sir Ian of that Ilk, Royal Highness: Ancestors of the Royal Child. London: Hamish Hamilton, 1982. NYPL ARF 83-3293. Information from this source tagged as [Ref: Moncreiffe RoyalAnc p[0-9]*].
  5. Baldwin, Stewart, Kings of Man, in four parts. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 3/22/1999. Subject: Kings of Man - Part 1/2/3/4 of 4. Available at https://groups.google.com/g/soc.genealogy.medieval/c/ooezWAd_Eek/m/4CH30sf_B3gJ, https://groups.google.com/g/soc.genealogy.medieval/c/q5RD286XAJY/m/C_VLvt-eZBgJ, https://groups.google.com/g/soc.genealogy.medieval/c/-MCA6bnCxNo/m/Q3b1Txj1-H8J, and https://groups.google.com/g/soc.genealogy.medieval/c/uX1z5lKfrKQ/m/rC0ODfbBmSgJ. Author address: sbald at auburn dot campus dot mci dot net. Information from this source tagged as [Ref: Stewart Baldwin SGM 3/22/1999].
  6. Baldwin, Stewart, Llywelyn ap Iorwerth ancestor table. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 7/27/1997. Subject: Llywelyn ap Iorwerth ancestor table, gen. 1-8, 9-13, 14-18. Available at https://groups.google.com/g/soc.genealogy.medieval/c/62kLGKCIBno/m/ueu-1XrMKmAJ, https://groups.google.com/g/soc.genealogy.medieval/c/AhLsHr4k35Q/m/-09JXMxH0fEJ, and https://groups.google.com/g/soc.genealogy.medieval/c/2tnpOmyP9LU/m/o_nX5ZiILHYJ. Author address: sbald at AUBURN dot CAMPUS dot MCI dot NET. Information from this source tagged as [Ref: Stewart Baldwin SGM 7/27/1997].
  7. Baldwin, Stewart, Eve of Leinster and Radnailt of Dublin. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 7/28/1996. Subject: Eve of Leinster and Radnailt of Dublin. Available at https://groups.google.com/g/soc.genealogy.medieval/c/ynfbqPH1lCw/m/ySwkNypyO4kJ. Author address: sbald at AUBURN dot CAMPUS dot MCI dot NET. Information from this source tagged as [Ref: Stewart Baldwin SGM 7/28/1996].
  8. Tapsell, R. F., Monarchs, Rulers, Dynasties and Kingdoms of the World. New York: Facts on File Publications, 1983. Information from this source tagged as [Ref: Tapsell Dynasties p[0-9]*].
  9. Weis, Frederick Lewis, Walter Lee Sheppard, Jr, David Faris, Ancestral Roots of Certain American Colonists who came to America before 1700, 7th Edition, Baltimore: Genealogical Publishing Co, 1992. Information from this source tagged as [Ref: Weis AR7 #[0-9][0-9]*[A-Z]*].

Sources for birth and parent Information
parents:
[Ref: Kelley Eve p13, Kelley Strathclyde p86, Stewart Baldwin SGM 7/27/1997, Stewart Baldwin SGM 7/28/1996, Weis AR7 #239],
father:
[Ref: Stewart Baldwin SGM 3/22/1999],
name:
Sitric (Sigtrygg) mac Amlaib [Ref: Stewart Baldwin SGM 7/27/1997]
Sources for death Information
date:
[Ref: Stewart Baldwin SGM 3/22/1999, Stewart Baldwin SGM 7/27/1997, Weis AR7 #239]
Sources with Inaccurate death Information
date:
1035 [Ref: Tapsell Dynasties p192]
Sources with Information about marriage to Slani
names:
[Ref: HenryII brian000 9/9/2001, Stewart Baldwin SGM 7/27/1997],
child:
[Ref: Kelley Eve p13, Stewart Baldwin SGM 7/28/1996, Weis AR7 #239]
Research Notes:
989-994 and 995-1035: King of Dublin [Ref: Tapsell Dynasties p192]
Norse King of Dublin [Ref: Moncreiffe RoyalAnc p10]
King of Dublin [Ref: Stewart Baldwin SGM 7/27/1997]

went on pilgrimage to Rome in 1028 [Ref: Weis AR7 #239]

1036: deposed [Ref: Stewart Baldwin SGM 3/22/1999]



Pedigree of Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
                            /-----Ivar I The Boneless RAGNARSON, King Of Dublin
                   /-----(Unk Son)
          /-----Sitric II CAOCH, King Of Dublin
 /-----Olaf III Sihtricsson, King Of Yorks And Dublin
Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
|                                                               /-----Faelan Ui DUNLAINGE, King Of Laigin & Leinster
|                                                      /-----Ruaidri Ui DUNLAINGE, King Of Laigin & Leinster
|                                             /-----Dairmait Ui DUNLAINGE, King Of Laigin & Leinster
|                                    /-----Muirecan Ui DUNLAINGE, King Of Laigin & Leinster
|                           /-----Maelmorda Ui DUNLAINGE, King Of Laigin & Leinster
|                  /-----Finn Ui DUNLAINGE, King Of Laigin & Leinster
|         /-----Murchad Ui DUNLAINGE, King Of Laigin & Leinster
 \-----Gormflaith Of Nass
         |                  /-----Cathal King Of Connacht
         |         /-----Tadc
          \-----(Unk Princess) Of Connacht



Descendants of Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
1. Sihtric III Of The Silken Beard OLAFSON, King Of Dublin m. Slani
m. Slani father: Brian Boruma, King Of Cashel And Munster, High mother: Echrad

2nd generation

2. Olaf Of Dublin m. Maelcorcre Of Leinster
m. Maelcorcre Of Leinster father: Dunlang Ui DUNLAINGE, King Of Laigin & Leinster

3rd generation

3. Ragnaillt Of Dublin m. Cynan Ap Iago, Prince Of North Wales
m. Cynan Ap Iago, Prince Of North Wales father: Iago Ab Idwal, Prince Of Gwynedd

4th generation

4. Gruffydd Ap Cynan, Prince Of Gwynedd m. Angharat Of Tegaingl
m. Angharat Of Tegaingl father: Owain Ap Edwin mother: Morwyl Ferch Ednywain Bendew

5th generation

5. Owain Gwynedd Prince Of Gwynedd m1. Gladys Ferch Llywarch m2. Christina Ferch Growny m3. m4. Ffynnod Wyddeles m5. Mofudd Ferch Elfan
m. Gladys Ferch Llywarch father: Llywarch mother: Dyddgu Of Builth
m. Christina Ferch Growny father: Gronw AP OWEN AP EDWIN
m. Ffynnod Wyddeles
m. Mofudd Ferch Elfan father: Elfan Ap SANDDE
6. Cadwaladr Ap Gruffydd m. (Unk Dau) De CLARE
m. (Unk Dau) De CLARE father: Richard FITZ GILBERT De CLARE, Baron Of Clare mother: Adeliza Le MESCHIN
7. Susanna Ferch Gruffudd Ap Cynan m. Madog Ap Maredudd, Prince Of Powys Fadog
m. Madog Ap Maredudd, Prince Of Powys Fadog father: Maredudd Ap Bleddyn mother: Hunydd Ferch Einudd