A oneshot I wrote ages ago whilst watching the Beeb's 'Sherlock', thought it may appeal to others... :)
I am also aware of crossing over several different versions/adaptations of Sherlock Holmes...
Disclaimer: nout is mine.
"Why are you asking me this John?" Sherlock drawled as he lay back on the sofa, fingertips pressed together beneath his chin. John Watson shrugged from where he made the tea, his back to his housemate
"Just wondered"
"Well you can stop wondering. It isn't biologically possible anyway." John sighed.
"I didn't mean like that" he said, bringing the tea over and putting it down on the coffee table "just… if you ever found the right girl-"
"Woman."
"Woman. Right, fine." John drank some of his tea, found it too hot, and put it back down. "If you ever found the right woman then, would you ever have kids?" Sherlock raised his celestial eyebrows and sat up elegantly, long spindly fingers curling round the mug of tea as he reached forwards, ever graceful.
"I have never considered it" He mused, mind working quickly "But I highly doubt it would ever happen."
"Does Mycroft have kids?" Sherlock shot him a look "I heard him mention Enola-"
"Enola is our younger sister." Sherlock snapped. "And yes, Mycroft does have children. Three."
"Three? Boys, girls?"
"Three boys. I cannot understand why. I don't get on with them."
"How old are they?"
"Ten, seven and minus three months."
"Minus… oh."
"Indeed. Mycroft keeps his family very separate."
"What's his wife like?" Sherlock sent another glance to John
"Why do you want to know?" John shrugged
"Just curious. Still can't picture you being an uncle"
"I had no choice in the matter."
John snorted.
"Yeah" he said as Sherlock's dark eyes narrowed "but I could still see you in a few years, striding about, a little minion behind you in a suit…." John sniggered again, drinking his tea, not seeing Sherlock's slight half-smile as he considered the idea
"So you assume any offspring of mine would carry the same traits?"
"Probably. Gotta be pretty dominant genes." John said with a shrug, he looked up to Sherlock's face, and his smile dropped at the consulting detectives expression.
"Oh no. I was joking Sherlock." The smile widened, the eyes concentrating on something further away "Sherlock."
"Yes John?" Sherlock said, snapping out of his trance and drinking the tea
"Your not actually thinking of…." He died off
"See it as an experiment John." He said "Any child of mine-" John sunk his head into his hands and groaned audibly.
"Why did I ever bring it up?" he muttered "Why?" Sherlock had continued regardless, but paused
"Yes John, why did you bring it up?" John raised his eyes
"I have no idea. But, Sherlock, just don't. Think of the poor woman who'll have to deal with you monitoring everything, and just so you end up with a son to experiment on…"
"John." Sherlock said with a frown "I am discontented that you think I would only use a woman in this way to produce a son." John's shoulders relaxed, and checking his watch saw he had to leave to start his shift. Sherlock's 'thinking voice' floated over from the sofa as he pulled on his coat.
"A daughter would be much more interesting."
John paused, then pulled his coat on and left, firmly shutting the door behind him and leaving the consulting detective grinning on his own.
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