Isaac Evolue Etue Bofenda Bonga was born in 1999 in Neuwied, Germany. His parents, Baudoin Bonga and Ruth Kilua, are from Kinshasa in the Democratic Republic of the Congo. Isaac has six siblings, including his older brother, Tarsis, who plays soccer for FSV Zwickau in Germany. Bonga received All-Tournament Team honors in 2017 at the Kaunas Adidas Next Generation Tournament, where he averaged 14.5 points, 9.5 rebounds, 5.3 assists and 3.3 steals over four games. The 6-foot-8 wing has played on multiple national German teams, including the senior squad. He was the youngest German team member of the senior team in 40 years. Bonga participated in the Basketball Without Borders Global Camp in New Orleans in 2017. He also enjoys hosting basketball camps back home in Germany.