Hon. Olivia Jane Plunkett1
From 1974, her married name became Billingsley. She lived in 2003 at 2 Church Cottages, Main Street, Collingham, Wetherby, Yorkshire, England.1
Children of Hon. Olivia Jane Plunkett and Trevor Billingsley
- James Michael Billingsley2 b. 1975
- Nicola Jane Billingsley2 b. 1977
Trevor Billingsley1
Children of Trevor Billingsley and Hon. Olivia Jane Plunkett
- James Michael Billingsley2 b. 1975
- Nicola Jane Billingsley2 b. 1977
James Michael Billingsley1
He lived in 2003 at 125 Andrew Street, Newcastle, Ontario, CanadaG.1
Nicola Jane Billingsley1
Hon. Stephanie Patricia Plunkett1
She lived in 2003 at Forest Farm, Forest Lane, Hanbury, Worcestershire, EnglandG.1
Sir Alan Erskine of Inchmartin1 
Children of Sir Alan Erskine of Inchmartin and Isabel Inchmartin
- [S37] BP2003 volume 2, page 2412. See link for full details for this source. Hereinafter cited as. [S37]
- [S6286] Clan MacFarlane and associated clans genealogy, online http://www.clanmacfarlanegenealogy.info. Hereinafter cited as Clan MacFarlane.
Walter Plunket1
Child of Walter Plunket
Henry Plunket1
Child of Henry Plunket
- John Plunket+2 d. c 1350
Peter Plunkett1 
Child of Peter Plunkett
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Alice de Trim1
She was County Louth.1 So acquiring that estate.1 She lived Beaulieu.1 From 1317, her married name became Plunket. She was living in 1359.1
Children of Alice de Trim and John Plunket
- Richard Plunket+2 d. b 4 Oct 1388
- John Plunket+2 d. c 1419
