This interactive family tree visualization shows a multi-generational genealogy chart with expandable and collapsible nodes. Using D3.js version 3.5.17, the tree layout (d3.layout.tree) arranges family members hierarchically, with cyan nodes connected by blue diagonal links. The chart features animated transitions (750ms duration) when clicking nodes to expand or collapse branches, with data embedded directly in the page as a JavaScript array. SVG rendering styles nodes with red strokes and orange background, while text labels display each person's name.