daughter of John de Cogan, who was Lord Justice of Ireland in 1247,
and by her had three sons, Maurice, Gerald, and Thomas. Maurice
Fitzgerald has no wife given him in the Colin Fitzgerald genealogy.
Thomas, the youngest son, had a son John, who ultimately, on the
death of Maurice, fifth Baron Offaly, without issue, succeeded as
sixth Baron, and was, on the 14th May, 1316, created the first Earl
of Kildare. Maurice Fitz Gerald was succeeded by his eldest son,

VII. MAURICE FITZ MAURICE, as third Baron Offaly. He married
Emelina, daughter of Sir Stephen de Longespee, a rich heiress, and by
her had a son and two daughters. He was succeeded by his only son,

VIII. GERALD FITZ MAURICE, 4th Baron Offaly, who died without issue
in 1287, when he was succeeded by his cousin Maurice, only son of
Gerald, second son of Maurice Fitzgerald, second Baron Offaly, as

IX. MAURICE FITZGERALD, 5th Baron Offaly, who married Agnes de
Valance, daughter of William Earl of Pembroke, without issue, when he
was succeeded by his cousin John, son of Thomas, third son of Maurice
Fitzgerald, second Baron Offaly, as

X. JOHN FITZ THOMAS FITZ GERALD, sixth Baron Offaly, and first
Earl of Kildare. From him, by his wife Blanche, daughter of John
Roche, Baron of Fermoy, are descended the present Duke of Leinster and
other Irish Fitzgeralds. He died on the 10th November, 1316.

Several important particulars bearing on the points in dispute are
noticeable in this genuine Fitzgerald genealogy, a few of which may be
remarked upon. (1) There is no trace of a Colin Fitzgerald, or of any
other Colin, in the real family genealogy from beginning to end, down