A three-generational tree is focused, as it helps you highlight the most impactful relationships and is easy to follow.

Several readers have written to ask where they can purchase multi-generation genealogy charts. The ... Genealogy charts make nice gifts . Updated: Dec. 12, 2010, 10:06 a.m.

Leonardo da Vinci's family tree: Historians chart the Italian polymath's relatives back to 1331 - spanning 21 generations and involving over 400 individuals ...