Tuhia he haere tonu mo tenei waahanga - I takaro a Janssen mo te wa tuatahi mo te kowhiringa Junior o te Royal Dutch Football Association i te 17 o Poutu-te-rangi 2010 i te tukinga hoa o te U-15 kapa motu ki Ingarangi. I te tau 2012, ko ia te rangatira o te roopu U-17 o Netherlands i nga whakataetae tohu mo te 2012 UEFA Women's Under-17 Championship
I arahina hoki e ia te kapa, hei rangatira, i te tohu mo te 2013 UEFA Women's Under-19 Championship. I te tau 2014, i angitu ia me tana roopu ki te tohu mo te rauna whakamutunga o te 2014 UEFA Women's Under-19 Championship i Norway, i reira i wini ai a Netherlands i te taitara mo te wa tuatahi me te wikitoria 1<unk>0 ki a Spain. I takaro a Janssen i nga tukinga e rima o te whakataetae.