What is "brongniart"

Brongniart is the surname of a notable French family:

• Antoine-Louis Brongniart (1742–1804), chemist, younger brother of
• Alexandre-Théodore Brongniart (1739–1813), architect who gave his name to the Palais Brongniart, the former seat of the Paris Bourse, father of
• Alexandre Brongniart (1770–1847), mineralogist and naturalist, father of
• Adolphe-Théodore Brongniart (1801–76), botanist, father of
• Édouard-Charles Brongniart, painter and schools inspector, father of
• Charles Jules Edmée Brongniart (1859–99), zoologist.