| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | Holy Roman Emperor - Ottonian dynasty |  |  |  |  |  |
| 3 | Image | Name | Reign | Reign | Relationship with predecessor(s) | Other title(s) |
| 4 | - | Otto I, the Great (912–973) | 2 February 962 | 7 May 973 | Great-great-great grandson of Louis I | King of Italy King of Germany Duke of Saxony |
| 5 | - | Otto II, the Red (955–983) | 25 December 967 | 7 December 983 | Son of Otto I | King of Italy King of Germany |
| 6 | - | Otto III (980–1002) | 21 May 996 | 23 January 1002 | Son of Otto II | King of Italy King of Germany |
| 7 | - | Henry II (973–1024) | 14 February 1014 | July 13 1024 | Second cousin of Otto III | King of Italy King of Germany Duke of Bavaria |

Question: Which house name was a notable hereditary holder of the title ‘Holy Roman Emperor’?
Answer: Various royal houses, at different times, became de-facto hereditary holders of the title, notably the Ottonians (962–1024).