Check Melody Lane - Sims 2 for the home (it should be there); along with the walls and the clothing for the sims. You won't find this specific family anywhere. I've not ul'd them and they were not created prior to yesterday. I just created them for my own game play.
Yes, the home is on page 2 of Residentials in the Sims 2 area of Melody Lane and the adult ladies clothing is in the Clothing area (specifically her dress is in formals - after 5 wear). However, I did not see where I remembered to bring my Teen clothing along from the old site. I had shared all of this at Neighborly Sims back in Sims 2 days prior to Sims 3 (as well as during sims 3, but prior to Sims 4) and also from areas at the old site. Not everything was brought over when that one was closed down, though. Some of it was brought over, but not all of it.