You can do that yourself

Launch SSV2020 Vanilla,or SSV regular world Then click on the three dots-edit town
Find the Landgrabb household then click on the household-click on save copy to library
At that point you can save the family (household only) OR the household with house up to you which one you want to save.
Click on the three dots again-main menu you will be asked if you want to save,no or cancel click on no as you won't be playing that save
Then launch your Chocolate save click on the three dots-edit town-click on the Landgrabb family in your library-place copy-select lot-purchase lot-back to game and done

There a number of vacant lots so place them wherever you wish that is available and affordable
IF you decide to save the Landgrabb's with their own home then find an empty lot with the same lot size which would be 60X60 and there's not any 60X60's available in Chocolate :/