Johannes Jacobus Christoffel Mynhardt

Johannes' father was Wilhelmus Cornelis Mynhardt and his mother was Aletta Cecilia Geyer.  His maternal grandparents were Johannes Jacobus Geyer and Aletta Cecilia Engelbrecht. He had a brother and six sisters, named Christiaan, Aletta, Wilhelmina, Charlotte, Isabella, Christina and Catharina. He had four half-brothers and three half-sisters, named Johannes, Willem, Marthinus, Cornelis, Johanna, Anna and Johanna.