Sir John Fitzgerald 
Sir John Fitzgerald
(see  
here).
 
He 
mar 
More  O'Brien
[dau of Donogh O'Brien].
His brother the 
11th Earl of Desmond
 died at an advanced age in 1534.
From 1534 to his death in  1536  he 
claimed the Earldom of Desmond. 
He disputed 
 the claim by his brother's grandson
James Fitzgerald, de jure 12th Earl of Desmond (died 1540).
He   is sometimes numbered as  12th  Earl of Desmond.
But 
I follow the numbering in
 
 [Complete Peerage].
 
Sir John 
died  1536, at a great age, in the 
Abbey of Tralee.
 
He 
had issue:
 
-   James Fitzgerald, 13th Earl of Desmond. 
He is also numbered the 14th   Earl
(if his father is included in the list of Earls).
But 
I follow the numbering in
 
 [Complete Peerage].
 
He died 1558.
He 
had issue:
-   Gerald Fitzgerald, 14th Earl of Desmond,  born c.1533.
He is also  numbered the 15th   Earl.
But 
I follow the numbering in
 
 [Complete Peerage].
 
The rebel Earl.
  
Leader in  the Desmond Rebellions 1569-1573 and 1579-1583. 
The rebellions
 were started in 1569 by his cousin
James FitzMaurice Fitzgerald,
claiming to act on behalf of the Earl.
See letter
from the Earl to
 Elizabeth I  in 
1571.
And other shot.
 
He burnt  his stronghold of
 Tralee  in 1580  
to prevent its capture by the
advancing English.
   
The Crown abolished the Earldom in   1582.
He was killed 1583, age c.50 yrs.
 
The rebels surrendered 1583.
  
  The vast estates of the Earls of Desmond were forfeit to the crown.
He had issue by 2nd wife:
-  James Fitzgerald, 1st Earl of Desmond
(of a new creation).
Held in the
 Tower of London  
1584 to 1600.
In   1600, in a plan to reduce support for
 rebellion
 in Munster,
the title of Earl of Desmond 
 was recreated for James (without restoring lands)
 and he was sent to Ireland.
It was a failure. He returned to London in 1601. 
He died 1601. Title extinct.
 
 
 - 
 Sir Maurice Fitzgerald,
of Carrigaline, Co.Cork.
 
 
  
 
-  After the confiscation of the estates of the rebel  Earl of Desmond,
the  Munster Plantation
  was implemented.