Olive Jarvis1 
Her married name became Barron.1
Lafracoth O’Brien1
Child of Lafracoth O’Brien and Arnolph de Montgomery
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Murrough O’Brien, King of Munster1
Child of Murrough O’Brien, King of Munster
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Alexander fitz Maurice1
He held the castle and lands of Wicklow with his brother Gerald.1 He held the lands of Compton in England from William de Windsor.1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Walter fitz Maurice1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Redmond fitz Maurice1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Hugh fitz Maurice1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Nesta fitz Maurice1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Hervey de Monte Marisco1 
He held the office of Constable of Ireland.1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
Geoffrey de Marisco1
He held the office of Lord Justice of Ireland.1
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
- [S37] BP2003 volume 2, page 2297. See link for full details for this source. Hereinafter cited as. [S37]