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:
Children:
  1. Echrad

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. Baldwin, Stewart, Donnell O'Brien, king of Thomond. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 8/29/2001. Subject: Donnell O'Brien, king of Thomond. Available at https://groups.google.com/g/soc.genealogy.medieval/c/6QNgVklU1bw/m/KEwml0_WATkJ. Author address: sbaldw at mindspring dot com. Information from this source tagged as [Ref: Stewart Baldwin SGM 8/29/2001-030404].

Sources with Information about marriage to unknown
child:
[Ref: HenryII brian000 9/9/2001, Stewart Baldwin SGM 8/29/2001-030404]
Research Notes:
King of Ui Adea Odba [Ref: HenryII brian000 9/9/2001, Stewart Baldwin SGM 8/29/2001-030404]



Pedigree of Carrlus Mac AILELLA, King Of Ui Adea Ocba
Carrlus Mac AILELLA, King Of Ui Adea Ocba



Descendants of Carrlus Mac AILELLA, King Of Ui Adea Ocba
1. Carrlus Mac AILELLA, King Of Ui Adea Ocba m.

2nd generation

2. Echrad m. Brian Boruma, King Of Cashel And Munster, High
m. Brian Boruma, King Of Cashel And Munster, High father: Cennetig Dal Cais King Of Munster And Thomond mother: Be Bind

3rd generation

3. Slani m. Sihtric III Of The Silken Beard OLAFSON, King Of Dublin
m. Sihtric III Of The Silken Beard OLAFSON, King Of Dublin father: Olaf III Sihtricsson, King Of Yorks And Dublin mother: Gormflaith Of Nass
4. Tadg Mac Briain m. Mor
m. Mor father: Gilla Brigte Ua Mael Muaid, King Of Cenel Fiachach

4th generation

7. Olaf Of Dublin m. Maelcorcre Of Leinster
m. Maelcorcre Of Leinster father: Dunlang Ui DUNLAINGE, King Of Laigin & Leinster
8. Tairrdelbach Mac TADG, King Of Cashel And Munster, Hi m. Derbforgaill
m. Derbforgaill father: Tadc Mac Gilla Patraic

5th generation

9. 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
11. Muirchertach Ua BRIAIN, High King Of Ireland m.
12. Diarmaid O'Brien, King Of Munster m. Mor
m. Mor father: Ruaidri Na Saide Buide Ua Conchobar, King of Co