Siwan eng yaxshi nom ma'nolari: Saxiy, Faol, Quvnoq, Do'st, Temperaturali. Qabul qiling Siwan ismining ma'nosi.
Marcellus eng yaxshi familiyasi ma'nolari: Do'st, Faol, Ijodiy, Jiddiy, Zamonaviy. Qabul qiling Familiyasi Marcellus.
Siwan ismining kelib chiqishi. Welsh form of Joan. Qabul qiling Siwan ismining kelib chiqishi.
Eng ko'p ishlatiladigan Marcellus familiyasi Gaiti. Qabul qiling Marcellus 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.
Marcellus ismiga ega bo'lgan eng keng tarqalgan ismlar: Joan, Rachell, Brigitte, Lala. Qabul qiling Marcellus bilan ketadigan ismlar.
Siwan va Marcellus ning mosligi 83%. Qabul qiling Siwan va Marcellus muvofiqligi.