A family chart is a visual representation of the relationships between members of a family. It is often used to show the ancestry of a family, and can be used to trace the lineage of a family over generations. The term 'family chart' can also refer to a diagram that shows the current members of a family and their relationships to each other. The crossword solution for the term 'family chart' is 'tree', which is an apt description of the structure of a family chart.