My dad stimulus

Hi Terry my dad passed away 2017.he was files his tax 2018.my little sister she was getting my dads tax under her name cause they both same lastname..she move to alaska right now..our mailbox bk home closed last year my dad tax was mail 2019 bk..right we don’t have that mailbox anymore.they closed already..please I have questions..how about my dad stimulus money its a goes no home or wait for the mail comes straight to my sister in alaska to cash out under name.??