Did Neville Longbottom have children

It is unknown if Neville Longbottom ever had children. He did marry Hannah Abbott, who became the landlady of the Leaky Cauldron.

Neville became an Auror shortly after graduating, following in his parents footsteps. However, Neville later became the Herbology professor at Hogwarts School of Witchcraft and Wizardry.