Biyombo was born in Lubumbashi, Zaire, to parents François and Françoise Biyombo along with his three brothers, Billy, Biska, and Bikim, and three sisters, Bimeline, Bikelene, and Bimela.[1] He played for Lupopo in the 2008 FIBA Africa Clubs Champions Cup, Africa’s premier senior league, at age 16.[2]
He was discovered by coach Mário Palma at the age of 16 at a youth tournament in Yemen. His play impressed Palma and earned him an opportunity to train in Spain.[3]
Biyombo started the 2009–10 season with Fuenlabrada-Getafe Madrid of the EBA before moving to CB Illescas of the LEB Silver league. He also started the 2010–11 season with CB Illescas before moving to Baloncesto Fuenlabrada of the ACB league in January 2011.[