Nielsen Hayden genealogy
Descendants of Maurice fitz Gerald
Abt 1190 - 1257 (~ 67 years)Father: Gerald fitz Maurice (Bef 1150 of Offaly, Ireland - Bef 15 Jan 1204)
Mother: Eve de Bermingham ( - Abt 1225)
Maurice fitz Gerald (Abt 1190 of Offaly, Ireland - 1257 Youghal, Cork, Ireland)
   └─ Maurice fitz Maurice (Abt 1238 - Bef 2 Sep 1277)
    Maud de Prendergast (Abt 1242 - Bef 1276)(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)