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Birth:          1100 Windsor, Berkshire, England
Death:          1 Sep 1177 Abbey Grey Friar, Welford, Berkshire, England
Burial:         Abbey Grey Friar, Welford, Berkshire, England

Notes
https://en.wikipedia.org/wiki/Gerald_FitzMaurice,_1st_Lord_of_Offaly
https://en.wikipedia.org/wiki/Maurice_FitzGerald,_Lord_of_LanstephanMaurice 
FitzGerald, Lord of Maynooth, Naas, and Llanstephan[1] (c. 1105 – September 1176) 
was a medieval Cambro-Norman baron and a major figure in the Norman invasion of 
Ireland.[2]
Wars in Wales and Ireland[edit]

A Welsh Marcher Lord, Lanstephan fought under Robert FitzMartin at the Battle of 
Crug Mawr in Wales 1136.

Diarmait Mac Murchada (Dermot MacMurrough), the deposed King of Leinster who had 
been exiled by the High King of Ireland, sought Cambro-Norman assistance to regain 
his throne. Lanstephan participated in the resulting 1169 Norman invasion of Ireland. 
He assisted his younger half-brother Robert Fitz-Stephen in the Siege of Wexford 
(1169). His nephew Raymond was Strongbow's second-in-command and had the chief 
share both in the capture of Waterford and in the successful assault on Dublin in 
1171. Lanstephan and his son also fought in this battle.[2]

Marriage and issue[edit]

FitzGerald is sometimes said to have married Alice, a supposed daughter of Arnulf de 
Montgomery. There is no evidence that Arnulf left any descendants, however, and the 
claim that a daughter of his married FitzGerald dates no earlier than the 19th century.
[3] FitzGerald's children were:
Gerald FitzMaurice, 1st Lord of Offaly (b. c. 1150, d. before 15 Jan 1204)
Alexander
William, Lord of Naas (d. c.1199)
Maurice, Lord of Kiltrany
Thomas FitzMaurice FitzGerald (d. c.1213)
Robert
Nest (m. Hervey de Montmorenci, Constable of England)

Through his oldest son, Sir Gerald, FitzGerald was the ancestor of the FitzGerald Earls 
of Kildare and Dukes of Leinster.

The original Earldom of Desmond in the province of Munster was based on 
landholdings belonging to the descendants of Maurice's son Thomas FitzMaurice 
FitzGerald, Lord of O'Connelloe. Thomas's son John FitzGerald, who was killed in the 
Battle of Callann, became the first Baron Desmond. Others from this line include the 
Knights of Glin and Knights of Kerry.

Ancestry[edit]

FitzGerald was the second son of Gerald de Windsor, Constable of Pembroke Castle 
by his wife, Nest ferch Rhys, Princess of Deheubarth and a member of the Welsh royal 
House of Dinefwr.

Parents
DE WINDSOR Gerald Fitz Walter (1070 - 1136)
VERCH RHYS Nest (1073 - BEF 1136)

Siblings
FITZ GERALD Maurice (1100 - 1 Sep 1177)
FITZ GERALD William (BEF 1100 - 1173)

Marriage To DE MONTGOMERY Alice (1100 - )
    m.  

Notes

Parents
DE MONTGOMERY Arnulph (ABT 1066 - ABT 1120)
UA BRIAIN [O'BRIEN] Lafracoth (ABT 1076 - )

Children by DE MONTGOMERY Alice 1100 - 
FITZ MAURICE Gerald (1150 - 15 Jan 1204)

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