Siwan maana ya jina bora: Ukarimu, Kazi, Furaha, Kirafiki, Temperament. Pata Siwan maana ya jina.
Riera maana ya jina la juu: Temperament, Kirafiki, Kubwa, Tete, Furaha. Pata Riera maana ya jina la jina.
Siwan asili ya jina la kwanza. Aina ya Welsh Joan. Pata Siwan asili ya jina la kwanza.
Jina la mwisho Riera la kawaida zaidi Andorra. Pata Riera kutangaza jina la jina.
Majina ya jina la Siwan katika nchi tofauti na lugha tofauti: 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. Pata Siwan kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Riera: Delmy, Jeanne, Simon, Joey, Carolyne, Šimon, Simón. Pata Majina yanayotembea na Riera.
Utangamano wa Siwan na Riera ni 77%. Pata Utangamano wa Siwan na Riera.