A genealogy of the Heath, Palmer, Thayer, Goodnow, and other allied families.
Abt 1150 - 
| Renaud Dampmartin | |
| B: | Abt 1162 |
| of, Dampmartin, Ile-de-France, France | |
| Alex de Dampmartin | |
| B: | Abt 1164 |
| of, Dampmartin, Ile-de-France, France | |
| William de Fiennes | |
| B: | Abt 1245 |
| Wendover, Bucks, England | |
| D: | 11 Jul 1302 |
| Courtral, Fzandre, Occ. Begcium | |
| Blanche de Brienne | |
| B: | Abt 1252 |
| Courtrain, Mynn, France | |
| M: | 1269 |
| D: | 1302 |
| Maud de Fiennes | |
| B: | Abt 1254 |
| Humphrey VII de Bohun | |
| B: | Abt 1251 |
| of, Hereford, & Essex, England | |
| M: | 20 Jul 1275 |
| D: | 31 Dec 1298 |
| Pleshy, Essex, England | |
| Reginald de Fines | |
| B: | Bucks, England |
| D: | Abt 1301 |
| Enguerrand Ingelram de Fiennes | |
| B: | Abt 1192 |
| Buckinghamshire, England | |
| D: | 1265 |
| Isabel de Conde | |
| B: | Abt 1210 |
| Buckinghamshire, England | |
| Agnes de Dammartin | |
| B: | Abt 1166 |
| of, Dampmartin, Bucks, England | |
| William de Fiennes | |
| B: | Abt 1160 |
| Bucks, England | |
| D: | Between 1240 and 1241 |
| Clemence de Dampmartin | |
| B: | Abt 1168 |
| of, Dampmartin, Ile-de-France, France | |
| Milicent de Gournai | |
| B: | Abt 1189 |
| Of Ashby, Bucks, Eng, England | |
| Julia de Dampmartin | |
| B: | Abt 1170 |
| of, Dampmartin, Ile-de-France, France | |
| Hugh de Gournai | |
| B: | Abt 1163 |
| Caister, Norf, England | |
| D: | 1214 |
| Philippe de Dammartin | |
| B: | Abt 1214 |
| of, Aumale, Seine-Maritime, France | |
| D: | Between 1277 and 1281 |
| Leonor Eleanor | |
| B: | 1240 |
| Castile, Burgos, Spain | |
| D: | 28 Nov 1290 |
| Harby, Grantham, Nottinghamshire, England | |
| 'Longshanks' Edward_I | |
| B: | 17 Jun 1239 |
| Westminster, London, England | |
| M: | 18 Oct 1254 |
| Los Heulgas, Burgos, Burgos, Spain | |
| D: | 8 Jul 1307 |
| Burgh-On-The-San, Cumberland, Cumberland, England | |
| Fernando Prince of Castile_&_Leon | |
| B: | Abt 1240 |
| of, Burgos, Burgos, Spain | |
| D: | Bef 1269 |
| Laure de Montfort | |
| M: | Aft 1256 |
| Luis Prince of Castile_&_Leon | |
| B: | Abt 1242 |
| of, Burgos, Burgos, Spain | |
| D: | Aft 1269 |
| Juan Prince of Castile_&_Leon | |
| B: | Abt 1246 |
| of, Burgos, Burgos, Spain | |
| Joanna Joan de Dammartin | |
| B: | Abt 1218 |
| Normandy, Dammartin, Seine-et-Marne, France | |
| D: | 16 Mar 1279 |
| Abbeville, Somme, France | |
| Alfonsez Ferdinand_III | |
| B: | 5 Aug 1201 |
| Castile, Leon, Leon, Spain | |
| M: | 1237 |
| Castile, Spain, Burgos, Spain | |
| D: | 30 May 1252 |
| Seville, Sevilla, Spain | |
| Simon de Count Dammartin | |
| B: | Abt 1180 |
| of, Spain, Ile-de-France, France | |
| D: | 21 Sep 1239 |
| Castile, Spain, Somme, France | |
| Marie of Ponthieu | |
| B: | 17 Apr 1199 |
| of, Aumale, Seine-Maritime, France | |
| M: | Abt 1212 |
| Aumale, Seine-Maritime, France | |
| D: | Sep 1251 |
| Spain | |
| Maud de Ponthieu | |
| B: | Abt 1150 |
| Alberic II, Count Dammartin | |
| B: | Abt 1148 |
| of, Dampmartin, Ile-de-France, France | |
| D: | 1200 |
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