Okay, so a long time ago there was a man named Francisco Franco who was in charge of a country called Spain. He was in charge for a very long time, and during his time as leader, he did some bad things. One of the bad things he did was take children away from their families. He did this because he didn't like the families' ideas or beliefs. This was called Francoism.
So, some children were taken away from their parents and given to other families. Sometimes, they were told that their parents had died, even though that wasn't true. This was really sad for the children and their families who were left behind. These children are called the "lost children of Francoism."
Many years went by and the children grew up, but they didn't know their real families or what happened to them. Some of them found out the truth when they were older and started looking for their families. It was really hard because there were not many records and the people who took them away sometimes lied about what happened.
Nowadays, people are trying to help the lost children of Francoism and reunite them with their families. It's important to remember that everyone deserves to know where they come from and who their family is, and that taking children away from their families is never okay.