Are you pure?

The sentence circled around in my mind a couple of times while they started bickering over my head. Information circled, went right through, and came back for a new round. All the while, I stood there, like I was rebooting, and finally, it hit me: why this sounded wrong, what I didn’t understand. Not bothering with addressing Seb´s and my father’s angry word feud, I cut them both right off,

“Brothers? What do you mean, brothers?”

They both shut up and looked at me like they suddenly realized I was still there.

However, nobody said a word, just stared at it. My father with an open mouth and an expression I could not read. Seb at least had the audacity to look away; I'm not sure why, but right now, it didn’t really matter. I held my father's gaze and repeated,

“What do you mean, her brothers? And family? “

In the corner of my eyes, I saw Lydia moving behind my father, barely registering the smile on her face. But for what? How could she have brothers and family here? I thought I had