Belgium coach Marc Wilmots has called up Eden Hazard's younger brother Thorgan to an inflated 28-man squad ahead of a friendly with the United States followed by a World Cup qualifier against Serbia.
Belgium travel to the USA for a friendly on May 29 before facing Serbia in Brussels on June 5.
Thorgan Hazard, 20, who is owned by Chelsea but played for Zulte-Waregem this season, has earned his first senior call up.
He joins a strong squad boosted by its English Premiership contingent including his brother, who also plays for Chelsea, Manchester City captain Vincent Kompany, Everton midfielder Marouane Fellaini and Aston Villa striker Christian Benteke.
Goalkeepers: Thibaut Courtois (Atletico Madrid/ESP), Simon Mignolet (Sunderland/ENG), Jean-Francois Gillet (Torino/ITA), Koen Casteels (Hoffenheim/GER)
Defenders: Toby Alderweireld (Ajax/NED), Daniel Van Buyten (Bayern Munich/GER), Jan Vertonghen (Tottenham/ENG), Thomas Vermaelen (Arsenal/ENG), Guillaume Gillet (Anderlecht), Laurent Ciman (Standard Liege), Vincent Kompany (Manchester City/ENG), Nicolas Lombaerts (Zenit St Petersburg/RUS), Sebastien Pocognoli (Hanover/GER)
Midfielders: Timmy Simons (Nuremberg/GER), Marouane Fellaini (Everton/ENG), Steven Defour (Porto/POR), Thorgan Hazard (Zulte Waregem), Axel Witsel (Zenit St Petersburg/RUS), Moussa Dembele (Tottenham/ENG), Nacer Chadli (Twente/NED)
Forwards: Romelu Lukaku (WBA/ENG), Eden Hazard (Chelsea/ENG), Kevin De Bruyne (Werder Bremen/GER), Maxime Lestienne (FC Bruges), Dries Mertens (PSV/NED), Christian Benteke (Aston Villa/ENG), Jelle Vossen (Genk), Kevin Mirallas (Everton/ENG)