[Caipirabob]

This is also a common practice in Third World countries.

[Harmless Teddy Bear]

This is also a common practice in Third World countries.

It used to be a common practice in the US. Several generations living under the same roof was the norm not the exception. That is why houses used to be so big. Think the Waltons except that there should have been a couple of aunts and uncles and their kids to make the picture complete.