Maurice the Invader FitzGerald de Windsor
Maurice the Invader FitzGerald was born in 1100 in Windsor, Berkshire, England.  He died at the age of 76 on September 1st, 1176 in Wexford, Ireland.  He was buried in Grey Friar Abbey, Welford, Berkshire, England.

 Alice de Montgomery
Alice was born in 1100.  She died after 1150.

 Thomas FitzMaurice
Thomas was born about 1150.

 Gerald FitzMaurice Fitzgerald
Gerald FitzMaurice was born in 1150.