Giannis Antetokounmpo’s Youngest Brother: Full Name, Age, Basketball Path, and Family Role Explained

Kostas Antetokounmpo is the youngest of the five Antetokounmpo brothers and the brother most closely aligned with Giannis in both age and background. Born in Athens, Greece, he grew up in Greece before the family moved to the United States, developing as a versatile two-way wing and later a skilled playmaking big during his college career at Dayton. Drafted in 2018, he has spent multiple seasons in the NBA with the Dallas Mavericks and Los Angeles Lakers, contributing off the bench while balancing roles in the Greek national team. This profile clarifies Kostas’s relationship to Giannis, his career trajectory, key teams, and competitive milestones in a timeline-driven overview.