Yes – everyone chooses their own language, and it only changes things for you. Press the language button on the top bar (it shows the language you're using, such as English ▾) and pick yours. The tree's buttons and words then switch for you alone. For example, Grandma in Kraków can see hers in Polish while your cousin in Leeds keeps his in English – everyone at home on the same tree.
Where to find it
English, second row, right of the search box
On a phone: if the menu is tucked away, press ☰ Menu (top left) first.
Still stuck? Talk to a real person: send us a message, or email support@mywholefamilytree.com