Siwan eng yaxshi nom ma'nolari: Saxiy, Faol, Quvnoq, Do'st, Temperaturali. Qabul qiling Siwan ismining ma'nosi.
Llewellyn eng yaxshi familiyasi ma'nolari: Saxiy, Zamonaviy, Quvnoq, Diqqat bilan, Jiddiy. Qabul qiling Familiyasi Llewellyn.
Siwan ismining kelib chiqishi. Welsh form of Joan. Qabul qiling Siwan ismining kelib chiqishi.
Llewellyn kelib chiqishi. Derived from the Welsh given name Llywelyn. Qabul qiling Llewellyn kelib chiqishi.
Eng ko'p ishlatiladigan Llewellyn familiyasi Birlashgan Qirollik. Qabul qiling Llewellyn familiyasi tarqalishi.
Boshqa mamlakatlar va tillarda, Siwan uchun alohida ismlar: 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. Qabul qiling Siwan boshqa tillarda.
Llewellyn ismiga ega bo'lgan eng keng tarqalgan ismlar: Joanne, Margret, Paula, Porfirio, Trefor, Margrét. Qabul qiling Llewellyn bilan ketadigan ismlar.
Siwan va Llewellyn ning mosligi 75%. Qabul qiling Siwan va Llewellyn muvofiqligi.