In ancient times, could old people live in the second child's house?

In ancient times, old people could live in the second child's house. Children can't live with their parents without the middle. This is a legend and a nonsense. It is also an excuse for people who don't want to adopt their parents and live with them. Supporting the elderly is a traditional virtue of China. Children should be filial, make the elderly happy, be contented, and care for the young is the traditional virtue of China.