Siothrún incazelo engcono kakhulu yegama: Sína, Isimo sengqondo, Esebenzayo, Unenhlanhla, Unamandla. Thola Siothrún kusho igama.
Federer izincazelo zegama elihle kakhulu: Sína, Unamandla, Unenhlanhla, Ukudala, Ngokucophelela. Thola Federer incazelo yesibongo.
Siothrún imvelaphi yegama lokuqala. Irish form of Geoffrey. Thola Siothrún imvelaphi yegama lokuqala.
Amagama afanayo for Siothrún emazweni ahlukene nezilimi ezahlukene: Fredo, Gaufrid, Geffrey, Geoff, Geoffrey, Geoffroi, Geoffroy, Gisilfrid, Gjord, Gjurd, Godafrid, Godefroy, Godfrey, Godfried, Godofredo, Godtfred, Goffredo, Goraidh, Gottfrid, Gottfried, Guðfriðr, Jeff, Jeffery, Jeffrey, Jeffry, Jep, Joffrey, Sieffre, Walahfrid. Thola Siothrún kwezinye izilimi.
Amagama avame kakhulu ngegama lomsebenzisi Federer: Kirby, Jeff, Leeann, Erwin. Thola Amagama ahamba ne- Federer.
Ukuhambisana kwe- Siothrún kanye Federer kuyinto 80%. Thola Ukuhambisana kwe- Siothrún kanye Federer.