the_debt_of_time

Fred and George stood tall, putting on their 'businessmen posture' before declaring,
"Free merchandise for every Marauder!" followed up with, "For the first time. We're still
running a business, after all."
"Don't even give discounts to family," George said with a grin when Ron threw him
a rude hand gesture behind Molly's back.
"And speaking of family.. ." Fred leant close to Mia. "We have a question. So
you're James Potter's sister?"
"Yes."
"Right," George said and looked at Sirius. "And you're Harry's godfather."
"Yes.. ." Sirius replied suspiciously.
"And Harry's always thought of you as a sister," Fred said, looking back at Mia.
"Technically I am his sister as well if you think about it. Harry provoked a Familial
Bond with me that carried over to Jamie," she explained clearly.
Sirius narrowed his eyes. "Do you lads have a point?"
The twins shared a look and smiled back at the couple for a long moment before
George finally blurted out, "When the two of you start having kids, is Harry going to be
their Uncle-Brother-Cousin?"
Harry choked on his drink, though no one was certain whether it was the shock
over Sirius and Mia potentially procreating or the not-so-subtly noted broken family tree.
Remus had a look in his eye that said he was tempted to tell the twins that on a technicality
because of Dorea, Sirius and Mia were also second cousins, but Mia silenced him with a
stern look.
Once Ginny had sufficiently made sure Harry was able to breathe and the table
quieted, Fred asked, "And can we be godfather?"