Siothrún
Names related to Siothrún
| ANCIENT GERMANIC |
| Gaufrid, Gisilfrid, Godafrid, Walahfrid |
| ANCIENT SCANDINAVIAN |
| Guðfriðr |
| CATALAN |
| Jofre |
| DUTCH |
| Godfried |
| ENGLISH |
| Geffrey, Geoffrey, Godfrey, Jeffery, Jeffrey, Jeffry |
| DIMINUTIVES: Geoff, Jeff, Jep |
| OTHER RELATIONS: Jefferson, Jepson |
| FRENCH |
| Geoffrey, Geoffroy, Godefroy, Joffrey |
| GERMAN |
| Gottfried |
| IRISH |
| Gofraidh, Séafra |
| ITALIAN |
| Goffredo |
| DIMINUTIVES: Fredo |
| MEDIEVAL FRENCH |
| Geoffroi |
| MEDIEVAL SCANDINAVIAN |
| Gjord, Gjurd |
| NORWEGIAN |
| Gjurd, Godtfred |
| PORTUGUESE |
| Godofredo |
| SCOTTISH |
| Goraidh |
| SPANISH |
| Godofredo |
| SWEDISH |
| Gjord, Gottfrid |
| WELSH |
| Sieffre |