Siwan kacha mma aha pụtara: Emesapụ aka, Ifịk, Eji obi ụtọ, Enyi na enyi, Iwe. Nweta Siwan pụtara aha.
Winkelman kacha mma aha nna pụtara: Iwe, Eji obi ụtọ, Emesapụ aka, Ifịk, Kechioma. Nweta Winkelman pụtara aha nna.
Siwan si malite aha mbụ. Welsh form of Joan. Nweta Siwan si malite aha mbụ.
Agakọta aha maka Siwan na mba dị iche iche na-asụ asụsụ: 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. Nweta Siwan na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Winkelman: Zora, Maria, Roman, Marion, Shawnna, Mária, María, Román. Nweta Aha na-aga na Winkelman.
Ndakọrịta nke Siwan na Winkelman bụ 85%. Nweta Ndakọrịta nke Siwan na Winkelman.