Sieffre incazelo engcono kakhulu yegama: Unenhlanhla, Ukudala, Unika, Isimanje, Ujabule. Thola Sieffre kusho igama.
McIlwaine izincazelo zegama elihle kakhulu: Ujabule, Unamandla, Ngokucophelela, Unenhlanhla, Unika. Thola McIlwaine incazelo yesibongo.
Sieffre imvelaphi yegama lokuqala. Welsh form of Geoffrey. Thola Sieffre imvelaphi yegama lokuqala.
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 McIlwaine: Elenor, Torie, Emily, Rosalba, Giuseppe. Thola Amagama ahamba ne- McIlwaine.
Ukuhambisana kwe- Sieffre kanye McIlwaine kuyinto 75%. Thola Ukuhambisana kwe- Sieffre kanye McIlwaine.