Jannick moelelo wa lebitso le letle: Bōpo, E tebileng, Bohale, Mehleng ea kajeno, Lehlohonolo. Fumana Jannick moelelo oa lebitso.
van Rooyen lebitso la motumo o motle ka ho fetisisa: Ela hloko, Botsoalle, E sebetsang, E thabileng, E tebileng. Fumana van Rooyen se boleloang ke lebitso.
Jannick tšimoloho ea lebitso la pele. Danish diminutive of Jan. Fumana Jannick tšimoloho ea lebitso la pele.
Lebitso la ho qetela van Rooyen le tloaelehileng haholo Namibia, Afrika Borwa. Fumana van Rooyen lebitso la lebitso le fetisetsang.
Mabitso a sa tšoaneng bakeng sa Jannick linaheng le lipuo tse sa tšoaneng: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Jackin, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jan, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, Jowan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Fumana Jannick ka lipuo tse ling.
Mabitso a tloaelehileng ka lebitso la ho qetela van Rooyen: Andreas, Estha, Shirley, Rolff, Burton. Fumana Mabitso a tsamaeang le van Rooyen.
Ho lumellana ha Jannick le van Rooyen ke 69%. Fumana Tšebelisano ea Jannick le van Rooyen.