| DU PLESSIS, Tor de Belvoir | | B. 940 | | D. 960 |
| DU PONT, Nysa du Pont Euxin | | | | |
| DU PUY, Dulcissimus | | B. 610 | | D. 670 |
| DU WEST FRANKS, Roricus | | B. ABT 126 | | D. 186 |
| DUACH, Concraid mac Ua Briuin | | B. ABT 466 | | |
| DUACH, Duinseach ingen | | B. ABT 462 | | D. 525 |
| DUACH, Duinseach Ingen | | | | |
| DUBHLIN, Eochaidh | | B. ABT 255 | | |
| DUBHTHACH | | | | |
| DUBUN, Onwedd | | B. ABT 50 | | |
| DUCA E MARCHESE DI TOSCANA, Ugo | | B. ABT 950 | | D. 21 DEC 1001 |
| DUCHESS, Ragnetrude Of Austrasia of the East Franks | | B. 232 | | D. 280 |
| DUKE OF MOSEL, Adalbert Alberico | | B. 418 | | D. 491 |
| DUKE OF THE EAST FRANKS, Genebald | | B. ABT 210 | | D. ABT 240 |
| DUKE OF THE EAST FRANKS, Genebald II | | B. BET 319 AND 375 | | D. 419 |
| DULE DONNCHADT, Uchtredus of Atholl and Mormaer | | B. 943 | | D. 1130 |
| DUNBAR, Silah | | B. 1793 | | D. 26 NOV 1868 |
| DUNKELD, David I Of Scotland | | B. 1083 | | D. 24 MAY 1153 |
| DURBASSAL, Thomas | | B. 1239 | | D. 1328 |
| DURVASSAL, John | | B. ABT 1300 | | D. AFT 1347 |
| DURVASSAL, John I | | B. 1166 | | D. 1217 |
| DURVASSAL, John II , of Spernall | | B. 1220 | | D. AFT 1246 |
| DURVASSAL, John II , of Spernall | | B. 1220 | | D. AFT 1246 |
| DURVASSAL, MARGERIA Thomas of SPERNALL | | B. ABT 1242 | | D. 1328 |
| DURVASSAL, Margery | | B. 1280 | | D. 1375 |
| DURVASSAL, Philip | | B. ABT 1214 | | D. AFT 1279 |
| DURVASSAL, Philip | | B. ABT 1241 | | D. DECEASED |
| DURVASSAL, Roger | | B. ABT 1193 | | D. 1243 |
| DURVASSAL, Thomas | | B. ABT 1274 | | D. AFT 1321 |
| DURVASSAL, Unknown Spouse of William I | | B. ABT 1138 | | |