*None of which involve a third Holmes sibling.
Sir Edwin: If this is some expression of familial sentiment…
Mycroft: Don’t be absurd. I am not given to outbursts of brotherly compassion. You know what happened to the other one.That exchange from His Last Vow immediately sent fans into a flurry of theorizing regarding the identity of “the other one” that has lasted until this day. Me? Apparently I’m so normalized to hiatus at this point that I figure posting about it two and a half years later is good enough. But hey, I brought a six-pack.
The finest mind in the Sherlock fandom.