Siwan incazelo engcono kakhulu yegama: Unika, Esebenzayo, Ujabule, Nobungane, Isimo sengqondo. Thola Siwan kusho igama.
Sorce izincazelo zegama elihle kakhulu: Isimo sengqondo, Ngokucophelela, Unenhlanhla, Esebenzayo, Isimanje. Thola Sorce incazelo yesibongo.
Siwan imvelaphi yegama lokuqala. Welsh form of Joan. Thola Siwan imvelaphi yegama lokuqala.
Amagama afanayo for Siwan emazweni ahlukene nezilimi ezahlukene: Asia, Chevonne, Gia, Gianna, Giannina, Giovanna, Giovannetta, Hanna, Hanne, Hannele, Hannie, Ioana, Ioanna, Iohanna, Ivana, Jana, Jane, Janessa, Janice, Janina, Janna, Janne, Jannicke, Jannike, Jean, Jeanne, Jehanne, Jennigje, Jo, Joan, Joana, Joanie, Joaninha, Joann, Joanna, Joanne, Joasia, Joetta, Joey, Johana, Johanna, Johanne, Johanneke, Johnna, Jojo, Joleen, Jolene, Jone, Jonelle, Jonette, Joni, Jonie, Jonna, Jóhanna, Jóna, Jovana, Juana, Juanita, Nana, Seona, Seonag, Seònaid, Shauna, Shavonne, Shawna, Sheona, Shevaun, Shevon, Shona, Sìne, Síne, Siobhán, Tajuana, Vanna, Xoana, Yana, Yanka, Yanna, Yoana, Zhanna, Žana. Thola Siwan kwezinye izilimi.
Amagama avame kakhulu ngegama lomsebenzisi Sorce: Keshia, Roselia, Erasmo, Jenna, Mia. Thola Amagama ahamba ne- Sorce.
Ukuhambisana kwe- Siwan kanye Sorce kuyinto 79%. Thola Ukuhambisana kwe- Siwan kanye Sorce.