Cosimo de' Medici: First ruler of the Medici political dynasty (1389–1464). This family tree shows 39 people, including 6 grandchildren, from public Wikidata.
Parents
Giovanni di Bicci de' Medici (1360 – 1429), Piccarda Bueri (1368 – 1433)
Partner
Contessina de' Bardi (1390 – 1473)
Brothers and sisters
Lorenzo the Elder (1395 – 1440)
Children
Piero di Cosimo de' Medici (1416 – 1469), Giovanni di Cosimo de' Medici (1421 – 1463), Carlo de' Medici (1428 – 1492)