Siwan igama elona lifanelekileyo: Unika, Esebenzayo, Ujonge, Nobungane, I-temperamental. Fumana Siwan intsingiselo yegama.
Siwan imvelaphi yegama lokuqala. Welsh form of Joan. Fumana Siwan imvelaphi yegama lokuqala.
Amagama alinganayo for Siwan kumazwe ahlukeneyo neelwimi: 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. Fumana Siwan kwezinye iilwimi.
Amagama aqhelekileyo ngegama lokugqibela Heth: Melda, Iola, Elias, Kim, Joey, Éliás, Elías. Fumana Amagama ahamba kunye Heth.