Nielsen Hayden genealogy
Descendants of William I "The Lion", King of Scotland
1143 - 1214 (71 years)Father: Henry of Scotland (Abt 1114 - 12 Jun 1152 bur.Kelso Abbey, Roxburghshire, Scotland)
Mother: Ada de Warenne ( - 1178)
William I "The Lion", King of Scotland (1143 - 4 Dec 1214 Stirling, Stirlingshire, Scotland)
:   └─ Ada of Scotland ( - Bef 24 Sep 1200)
:    Patrick of Dunbar (1152 - 31 Dec 1232 bur.St. Mary's Cistercian convent, Eccles, Berwickshire, Scotland)
:    (m. 1184)
:    (m. 1184)
:       └─ Patrick of Dunbar (Abt 1185 - Aft 28 Jun 1248 Marseilles, France)
:        Euphame de Brus ( - Abt 1267)(m. Bef 1213)
:           │ + Roger fitz John (Aft 1219 of Warkworth, Northumberland, England - Bef 22 Jun 1249 Normandy, France)
:           └─ Patrick of Dunbar (Abt 1213 - 24 Aug 1289 Whittingham, East Lothian, Scotland) =>
:            + Cecily fitz John (m. Bef 1242)
:   └─ Isabel of Scotland
:    Robert de Ros (Between 1170 and 1172 Helmsley, Yorkshire, England -
:    Bef 23 Dec 1226 bur.Temple Church, London, England)(m. 1191 Haddington, East Lothian, Scotland)
:    Bef 23 Dec 1226 bur.Temple Church, London, England)(m. 1191 Haddington, East Lothian, Scotland)
:       ├─ Robert de Ros (of Wark, Northumberland, England - Bef Nov 1269)
:       │
:       │    ├─ Robert de Ros (of Wark, Northumberland, England - Bef 20 Apr 1274) =>
:       │    │ + Margaret de Brus ( - Bef 30 Jan 1307)
:       │     + Roger de Merlay (of Morpeth, Northumberland, England - Bef 4 Dec 1265)(m. Bef 1241)
:       └─ William I de Ros (Aft 1192 of Helmsley, Yorkshire, England -
:        1264 bur.Kirkham Priory, Yorkshire, England)
:        1264 bur.Kirkham Priory, Yorkshire, England)
:        Lucy fitz Peter (of Blaen Llyfni, Cathedine, Brecconshire, Wales - Aft 29 Sep 1266)(m. Bef 24 Jan 1234)
:           ├─ Lucy de Ros ( - Aft 1278 bur.Grey Friars, York, Yorkshire, England) =>
:           │ + William III de Kyme (of Sotby, Lincolnshire, England - Bef 3 Sep 1259)
:           ├─ Robert de Ros (of Helmsley, Yorkshire, England -
:           │ 17 May 1285 bur.Kirkham Priory, Yorkshire, England) =>
:           │ 17 May 1285 bur.Kirkham Priory, Yorkshire, England) =>
:           │ + Isabel d'Aubeney (Abt 1233 - 15 Jun 1301 bur.Newstead Priory, Lincolnshire, England)
:           │ (m. Bef 17 May 1244)
:           │ (m. Bef 17 May 1244)
:           ├─ William de Ros (of Ingmanthorpe in Kirk Deighton, Yorkshire, England -
:           │ Bef 28 May 1310 bur.Grey Friars, York, Yorkshire, England) =>
:           │ Bef 28 May 1310 bur.Grey Friars, York, Yorkshire, England) =>
:           │ + Eustache fitz Ralph (of Greasley, Nottinghamshire, England -
:           │ Aft 1300 bur.Grey Friars, York, Yorkshire, England)(m. 1268)
:           │ Aft 1300 bur.Grey Friars, York, Yorkshire, England)(m. 1268)
:           └─ Alice de Ros ( - Bef 30 Apr 1286 bur.Friars Minor, Lincoln, Lincolnshire, England) =>
:            + John Comyn (of Badenoch, Scotland - Bef 18 Jul 1278)(m. Abt 1260)
Ermengarde de Beaumont ( - 11 Feb 1233 bur.Balmerino Abbey, Fife, Scotland)(m. 5 Sep 1186)
   ├─ Margaret of Scotland (Between 1187 and 1195 - Bef 25 Nov 1259 bur.Black Friars, Holborn, London, England)
   │ Hubert de Burgh (Abt 1170 - 1243 bur.Black Friars, Holborn, London, England)
   │ (m. Jun 1221 York, Yorkshire, England)
   │ (m. Jun 1221 York, Yorkshire, England)
   │    └─ Margaret de Burgh ( - Nov 1237)
   │     + Richard de Clare (4 Aug 1222 of Clare, Suffolk, England - Jul 1262 Ashenfield, Waltham, Kent, England)
   │     (m. Bef 29 Sep 1236 St. Edmundsbury Cathedral, Bury St. Edmunds, Suffolk, England)
   │     (m. Bef 29 Sep 1236 St. Edmundsbury Cathedral, Bury St. Edmunds, Suffolk, England)
   └─ Alexander II, King of Scotland (24 Aug 1198 Haddington, East Lothian, Scotland -
    8 Jul 1249 Kerrera, Argyll, Scotland)
    8 Jul 1249 Kerrera, Argyll, Scotland)
    (Unknown mistress of Alexander II)
    :   └─ Marjory of Scotland
    :    Alan Durward (of Coull, Aberdeenshire, Scotland - 1275 bur.Coupar Angus Abbey, Perthshire, Scotland)
    :    (m. Bef 4 Jul 1251)
    :    (m. Bef 4 Jul 1251)
    :        + William de Ferrers (Abt 1240 of Groby, Leicestershire, England - Bef 20 Dec 1287)(m. 1270)
    + Joan of England (22 Jul 1210 Gloucester, Gloucestershire, England - 4 Mar 1238 York, Yorkshire, England)
    (m. 19 Jun 1221 York, Yorkshire, England)
    (m. 19 Jun 1221 York, Yorkshire, England)