Siwan eng yaxshi nom ma'nolari: Saxiy, Faol, Quvnoq, Do'st, Temperaturali. Qabul qiling Siwan ismining ma'nosi.
Grahan eng yaxshi familiyasi ma'nolari: Diqqat bilan, Faol, Uchuvchi, Omadli, Jiddiy. Qabul qiling Familiyasi Grahan.
Siwan ismining kelib chiqishi. Welsh form of Joan. Qabul qiling Siwan ismining kelib chiqishi.
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.
Grahan ismiga ega bo'lgan eng keng tarqalgan ismlar: Jana, Denisse, Percy, Alonso, Alita. Qabul qiling Grahan bilan ketadigan ismlar.
Siwan va Grahan ning mosligi 72%. Qabul qiling Siwan va Grahan muvofiqligi.