Sieffre incazelo engcono kakhulu yegama: Unenhlanhla, Ukudala, Unika, Isimanje, Ujabule. Thola Sieffre kusho igama.
Jong izincazelo zegama elihle kakhulu: Unamandla, Sína, Nobungane, Ujabule, Isimo sengqondo. Thola Jong incazelo yesibongo.
Sieffre imvelaphi yegama lokuqala. Welsh form of Geoffrey. Thola Sieffre imvelaphi yegama lokuqala.
Igama lokugcina Jong elivame kakhulu I-East Timor, Netherlands, E-North Korea, INingizimu Korea, I-Suriname. Thola Jong ukusakazwa kwesibongo.
Amagama afanayo for Sieffre emazweni ahlukene nezilimi ezahlukene: Fredo, Gaufrid, Geffrey, Geoff, Geoffrey, Geoffroi, Geoffroy, Gisilfrid, Gjord, Gjurd, Godafrid, Godefroy, Godfrey, Godfried, Godofredo, Godtfred, Goffredo, Gofraidh, Goraidh, Gottfrid, Gottfried, Guðfriðr, Jeff, Jeffery, Jeffrey, Jeffry, Jep, Joffrey, Séafra, Siothrún, Walahfrid. Thola Sieffre kwezinye izilimi.
Amagama avame kakhulu ngegama lomsebenzisi Jong: Sherwood, Rene, Paul, Merrill, Mariella, René. Thola Amagama ahamba ne- Jong.
Ukuhambisana kwe- Sieffre kanye Jong kuyinto 82%. Thola Ukuhambisana kwe- Sieffre kanye Jong.