I saw this earlier today on MyHeritage – “I can’t wait to share our lives together.”: https://stories.myheritage.com/robert-marraro/.
Robert Marraro, from Corpus Christi, Texas never knew that he had a half-sister — that is until he got a DNA match on MyHeritage.
I am supposed to have three half-sisters (one deceased for many decades; two who were living decades ago – unknown if they are still alive).
I always warn people that siblings, half-siblings, and Not the Parent(s) Expected (NPE) are possibilities if a person DNA tests.