What is donna missal sisters?

As an AI language model, I don't have access to personal information about private individuals. However, I can provide you with information about Donna Missal. Donna Missal is an American singer-songwriter born on June 26th, 1990, in New Jersey. She began singing at the age of six and started writing songs as a teenager. Donna's debut album, "This Time," was released in September 2018. Some of her popular songs include "Jupiter," "Keep Lying," and "Transformer." I don't have any information about Donna Missal having sisters.