kitten wetting bed

My 10 wk old ragdoll kitten goes to the toilet but also pees on my bed which goes all the way through to my mattress protecter,I'm sick of washing my entire bed linen,I have 2 other 1,1/2 ragdoll cats who go to the toilet,there are 2 litter trays,I am constantly keeping them clean,how can I stop the little one she goes most of the time but other times anywhere she likes,shall I try a citrus orange spray which is chemical free in the areas she wees,but what about my bed,help running out of Ideas, PLEASE

Answer from Kate
Hi
I suggest a period of litter training using the confinement method.

please see this page for more on this

https://www.our-happy-cat.com/cat-litter-box.html

best wishes Kate

---