General Notes

Son of Roger de Montgomery and Mabel de Belesme; m. Lafracta, dau. of the king
of Ireland, called earl of Pembroke. [Falaise Roll, p. 101]

MINOR, NEWLIN LINES

Son of Roger; seized the cantref of Penfro, where he built Pembroke Castle, one
of the greatest of the strongholds of the Normans in Wales. He imprisoned Hywel
ap Rhys. [A History of Wales, p. 106]

Was deprived of his lands in southern Dyfed. Henry I took possession of
Pembroke Castle and by 1109 Henry had built another castle at Carmarthen.
[History ..., p. 112]

Son of Roger II de Montgomery and Mabel of Alencon. [GRS 3.03, Automated
Archives, CD#100]

The downfall of the house of Montgomery in 1102, following the war between
Henry I and Robert of Belleme, involved Arnulf losing Pembroke; the king took
it into his hands and entrusted Dyfed and the castle to a knight called Saer.
[Pembroke Castle, p. 7]

!Royal Ancestors of Some American Families by Michel Call SLC 1989 #366;

Founded Pembroke Castle about 1090. [The Plantagenet Ancestry, p. ii]

Son of Roger de Montgomery and Mabel de Belleme de Alencon; m. Lafracoth
O'Brien; father of Alice who m. Maurice Fitz Gerald of Windsor. [Charlemagne,
Alfred the Great, and Other Ancestors, Chart 3363c]