Jos can I transfer WhatsApp chats ?

According to whatsapp web site support page, those are your options:

https://faq.whatsapp.com/general/account-and-profile/about-changing-phones/?lang=en

For Android to iPhone, iPad…

• « If you’re moving to a different type of phone: You can’t transfer your chat history. »

Whatsapp does not support transferring chat history from Android to iOS.

~Lyssa