The answer is four. Bingu wa Mutharika, who served as the President of Malawi from 2004 to 2012, has four children: two sons, Uladi and Dumbo, and two daughters, Duwa and Tapiwa. All of his children are involved in various professions, including business and politics.
The Bingu wa Mutharika Challenge: Test Your Knowledge on Malawi's Former President