About Genet Eustace (Bellew)
From Darryl Lundy's Peerage page on Genet Bellew:
Genet Bellew 
- F, #393619
- Last Edited=20 Sep 2009
Genet Bellew married, secondly, Rowland Eustace, 1st and last Baron of Portlester, son of John Fitz-Eustace.
She married, firstly, Christopher Plunket, 1st Lord Killeen, son of John Plunket and Elizabeth Hollywood, before 1434.
Her married name became Eustace.
She was also known as Joan.
From before 1434, her married name became Plunket.
Child of Genet Bellew and Rowland Eustace, 1st and last Baron of Portlester Alison Eustace+2 d. 22 Nov 1495 Children of Genet Bellew and Christopher Plunket, 1st Lord Killeen Christopher Plunket, 2nd Lord Killeen+3 b. a 1442, d. b 1470 Edmond Plunket, 3rd Lord Killeen3 b. a 1449, d. 18 Aug 1510 Citations [S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003), volume 1, page 1240. Hereinafter cited as Burke's Peerage and Baronetage, 107th edition. [S47] Hugh Montgomery-Massingberd, editor, Burke's Irish Family Records (London, U.K.: Burkes Peerage Ltd, 1976). Hereinafter cited as Burke's Irish Family Records. [S37] Charles Mosley, Burke's Peerage and Baronetage, 107th edition.