Siwan kacha mma aha pụtara: Emesapụ aka, Ifịk, Eji obi ụtọ, Enyi na enyi, Iwe. Nweta Siwan pụtara aha.
Mollica kacha mma aha nna pụtara: Obodo, Oge a, Okike, Enyịn, Iwe. Nweta Mollica 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 Mollica: Toya, Asia, Shona, Luz, Ivana. Nweta Aha na-aga na Mollica.
Ndakọrịta nke Siwan na Mollica bụ 80%. Nweta Ndakọrịta nke Siwan na Mollica.