Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 02-03-2022.

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 may be downloaded here.

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


Individual Page


Family:
Children:
  1. Llywelyn Ap Merfyn
  2. Avendreg Of Powys

Bibliography
  1. Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
  2. 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].

Sources for birth and parent Information
parents:
[Ref: Burke Peerage p2184],
father:
[Ref: Stewart Baldwin SGM 7/27/1997]
Sources for death Information
date:
[Ref: Stewart Baldwin SGM 7/27/1997]
900 [Ref: Burke Peerage p2184]
Sources with Information about marriage to unknown
child:
[Ref: Burke Peerage p2184, Stewart Baldwin SGM 7/27/1997]
Research Notes:



Pedigree of Merfyn Ap Rhodri
                   /-----Gwiard Prince Of Dehubarth, King Of Manaw
          /-----Merfyn Frych Prince Of Gwynedd
         |        |                                             /-----Caswallon Ap Cadfan, Prince Of Gwynedd
         |        |                                    /-----Cadwalader Fendigaid Prince Of Gwynedd
         |        |                                   |         \-----(Unk dau) Of Mercia
         |        |                           /-----Edwal Iwrch Prince Of Gwynedd
         |        |                  /-----Roderi Molwynog Prince Of Gwynedd
         |        |         /-----Cynan Tindaethwy Prince Of Gwynedd
         |         \-----Eiayllt Queen Of Wales
 /-----Rhodri Mawr Prince Of Gwynedd And Deheubarth
|        |         /-----Cadell Ap Brochwel King Of Powys
|         \-----Nesta Queen Of Powys
Merfyn Ap Rhodri
 \-----Ankaret



Descendants of Merfyn Ap Rhodri
1. Merfyn Ap Rhodri m.

2nd generation

2. Llywelyn Ap Merfyn m.
3. Avendreg Of Powys m. Idwal Foel Prince Of Gwynedd
m. Idwal Foel Prince Of Gwynedd father: Anarawd Prince Of Gwynedd

3rd generation

4. Angharad Ferch Llywelyn m. Owain Ap Hywel, Prince Of Deheubarth
m. Owain Ap Hywel, Prince Of Deheubarth father: Hywel Dda Ap Cadell, Prince Of Deheubarth mother: Elen Ferch Llywarch
5. Meyric Prince Of North Wales m.
7. Idwal Ab Iwdal, Prince Of Gwynedd m.

4th generation

8. Einion Ap Owain Ap Hywel Dda m.
9. Maredudd Ab Owain, Prince Of Deheubarth m.
10. Idwal Prince Of North Wales m.

5th generation

14. Angharad Ferch Maredudd m. Cynfyn Ap Gwerystan
m. Cynfyn Ap Gwerystan father: Gwerystan
15. Iago Ab Idwal, Prince Of Gwynedd m.