Duplicate menu buttons in Artsee theme

Hi my website has duplicate menu buttons. The first button is called “Home” and the second “Welcome”.

Both of these buttons take you to my home page.

If I try to delete one of the buttons, both of them disappear and you are taken to my blog page when first visiting the site.

I’ve looked in the header.php but can’t figure out how to remove the “Home” button and leave the “Welcome” button.

Thank you for any help that you can offer me.

My website is https://www.computrain.co.za