Nielsen Hayden genealogy
Descendants of Gerald de Prendergast
- 1251Father: Philip de Prendergast (of Enniscorthy in Templeshanbo, Wexford, Ireland - Aug 1229)
Mother: Maud de Quincy (1172 - ??)
Gerald de Prendergast (of Enniscorthy in Templeshanbo, Wexford, Ireland - Aug 1251)
:   └─ Maud de Prendergast (Abt 1242 - Bef 1276)
:    Maurice fitz Maurice (Abt 1238 - Bef 2 Sep 1277)(m. Bef 28 Oct 1259)
:       └─ Juliane fitz Maurice (of Offaly, Ireland - Bef 24 Sep 1300)
:        Thomas de Clare (Between 1243 and 1248 - 29 Aug 1287 Ireland)(m. Bef 18 Feb 1275)
:           │ + Robert de Clifford (Abt 1 Apr 1274 - 24 Jun 1314 Bannockburn, Stirlingshire, Scotland)
:           │ (m. 13 Nov 1295)
:           │ (m. 13 Nov 1295)
:           └─ Margaret de Clare (Between 1286 and 1287 - 1333) =>
:            + Gilbert de Umfreville ( - Bef 23 May 1303 bur.Hexham Priory, Northumberland, England)(m. 1289)
:            + Bartholomew de Badlesmere (Abt 1275 of Badlesmere, Kent, England -
:            12 Apr 1322 Canterbury, Kent, England)(m. Bef 29 Sep 1305)
:            12 Apr 1322 Canterbury, Kent, England)(m. Bef 29 Sep 1305)