On his death in 1818 he was buried in the church of Ponsan-Soubiran.
He was Father of the architect and Grand Prix de Rome winner in 1912, Jacques Debat-Ponsan, and grandfather of Michel Debré, who became Prime Minister under General Charles de Gaulle and was one of the drafters of the Fifth Republic.
urban planning and reconstruction of Cambrai, with fellow architects Pierre Leprince-Ringuet and Marc Germain Debré (beginning 1919)