Page 1
| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Istvan | 1 | Ireland I | 1 | Ide | 5 | Ivo II | 1 | Inigo | 1 |
| Istvan III | 1 | ingrandes, D' | 1 | Ivry | 2 | Ivo I | 1 | Ivree, D' | 4 |
| Ilona | 1 | Ivera | 1 | IvreaRoyalty for Commoners, Roderick W. Stuart, p. 71** | 1 | Irmentrude | 1 | Ildegarde | 1 |
| Igor | 1 | Ishmael | 1 | Isanrich | 1 | Isenbrand | 1 | Isacke | 1 |
| Izyaslav | 1 | Ishbak | 1 | Israeli Exilarch | 10 | Ingeltrude | 1 | Ireland, Aeneas Turmeach | 1 |
| Iszyaslavl and Vitebsk | 1 | Iscah | 1 | Ieuaf | 1 | Iron-Arm, Count Of Flanders De | 1 | Ivor | 1 |
| I | 38 | Issachar | 1 | Ifor | 1 | Isolda | 1 | Ichon | 1 |
| II | 11 | Imnah | 1 | Itermon | 1 | Isles | 6 | Islands | 1 |
| Ida | 3 | Ishvah | 1 | Ingham | 9 | Islay | 1 | Izyaslavich | 2 |
| Ivan, Kursk Yurevich | 1 | Ishvi | 1 | Israel | 1 | Ingerina | 1 | Izaslavich | 1 |
| Irina | 1 | Izhar | 1 | Iorwerth | 1 | Ironsides | 2 | Ipstones, De | 2 |
| Ivan, Novgorod Vsevolodich | 1 | Ithamar | 1 | Irmingland, De | 2 | Isaack | 1 | Inge | 2 |
| Italy | 27 | Ishui | 1 | Iddenden | 2 | Isar I | 1 | Icel | 1 |
| Ireland, De | 4 | Istria-Friuli | 1 | Igrath | 1 | Iumetel | 1 | Ives | 1 |
| isle-Bouchard, L' | 1 | Istria | 1 | Iset | 1 | Ingvarsson | 1 | Isle III, L' | 1 |
| Ibelin, D' | 4 | Iverfort | 1 | Ilus | 1 | Isar | 1 | Isabelle | 1 |
| Istrien | 4 | Ingleheim | 1 | Illan | 3 | Industrie | 1 | iniguez, King of Navarre | 1 |
| Inn-Norital | 2 | Ivrea | 9 | Irial | 1 | Inglid | 1 | Italy** | 1 |
| Idwal | 1 | Iago | 1 | Inne | 1 | Ina | 1 | Ironside', King Of England | 1 |
| Imgheal | 1 | Ironarm, William, IV | 1 | Insula, De | 6 | Ivarsdatter | 1 | Isle Bouchard | 1 |
| Isle, L' | 7 | Ingjaldsson | 1 | Ithel | 2 | Ingunda | 1 | Italy*** | 1 |
| Isabel | 5 | Isaacke | 3 | Iomcadh | 1 | Iasitos | 1 | Ivry, De | 1 |
| Ince | 4 | Isaak | 2 | Ilium | 1 | Ioannis | 1 | Isley | 1 |
| Ireland | 99 | Isaake | 2 | Ilderude | 1 | Iberitzes | 2 | Isle | 1 |
| Indretach | 1 | Imber | 1 | Ingern, De | 1 | Ita | 1 | Iestyn | 1 |
