Herbert 
 
In particular 
Herbert, Earl of Pembroke.  
  
 Note on  Herbert   as "Our common ancestors" 
Herbert is listed  here under  "Our common ancestors",
but the difference between my wife's line and my line is massive.
- 
My wife has a spectacular recent   descent  from 
  Henry Herbert, 10th Earl of Pembroke (died 1794).
So everything up to him and below him 
  is done in great  detail.
 -  
My descent from Herbert  is totally  different, branches off  much earlier,  and is in fact  uncertain.
 -  
I descend 
through 
  Blennerhassett
from 
  Mary Herbert,
whose husband was  granted Killorglin, Co.Kerry, in 1585.
 -  
She is believed to be of the Herbert  family that descends
  from Sir Richard Herbert  (beheaded 1469),
 brother of the  1st Earl of Pembroke of the first creation.
But Mary's parentage is uncertain.
 
 
  
This family does not   descend  from the Norman FitzHerbert family 
 
-  
Genealogies have existed   for centuries   claiming to show the Herbert male line above Adam (born est c.1255),
and in particular claiming  descent from the Norman   FitzHerbert  family.
 - 
While that family did exist,
[Clark, 1886]
and others argue 
 that these Herberts do not descend from them,
and  these genealogies 
 were faked at an early period  
  to show a Norman origin for the Earls of Pembroke.
 - 
Darrell Wolcott
agrees, and 
argues    that  the true  origin of Herbert is native Welsh.
 
 -  
The known family begins 
as follows.
 
 - 
 
The surname  "Herbert"   was not   established until the children  of
Sir William ap Thomas. 
 
 
 
  
Adam,
born est c.1255.
      He 
mar 
Christian Ddu 
[dau of Gwarin Ddu, the "Black Lord" of Llandilo].
They   had issue:
Jenkin ap Adam.
He    had issue:
Gwyllym ap Jenkin ap Adam,
William.
He 
mar Gwenllian Ichon [dau of Howel Ichon].
He died 1377.
They 
  had issue:
- 
Sir Thomas ap Gwyllym,
 4th son.
He mar Maud Morley
 [dau of Sir John Morley, Knt,
of Llansantffraed Court,
Llansantffraed,
Powys, Wales].
Inherited the Morley estate,   Llansantffraed Court, 1400.
He died 1438.
They   had issue:
-    Sir William ap Thomas.
 
 
 
 
  
Arms of the Earl of Pembroke.
Above the 
tomb 
 of the 9th Earl of Pembroke  in 
Wilton parish church.
Motto: "Ung je serviray" ("I will serve but one master").
Photo 2023.
See 
larger
and 
full size.
  
 
  References 
 
  
 Sources yet to be consulted