Arthur Weasley in Gryffindor?

[Kinsfire]

No: HPFGUIDX 111423

Deb in NJ:
I just finished rereading GOF last night. Molly specifically tells 
Harry (when visiting before Task 3) that she was yelled at by the Fat 
Lady one night for sneaking in at 4:00 am, out walking with Arthur. 
She definitely says, "I was" not "We were" told off . . . so . . . 
she obviously came back on her own. Is that because Arthur was 
detained by Filch's predecessor, or because he was trying to sneak 
into the Ravenclaw or Hufflepuff dorm at the time?

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My thought is that they might have decided to come in at different times.  
(Bad enough coming in at 4 AM - but to come in together?  Arthur was 
protecting her reputation as best he can.  If that required him getting a detention to keep her rep pure, then I think Arthur would.)

I believe there was a comment in one of the earlier books about Weasleys 
and Gryffindor.  

Kinsfire