Johan Christian was born in Denmark.
He arrived on a ship called “Elephant” on 15 August 1750 when it was shipwrecked at the mouth of the Gouritz river in the Southern Cape.
The ship of the Danish East India Company captained by Andries Evertz GRIMSTRA was on its way from Tranquebar, India to Copenhagen, Denmark.
He died in South Africa in 1788.

He married Neeltjie van OS (Daughter of Jacobus Casparus van OS and Jannetjie GRISON).

They had a son:

b1 Johan Christian – born 18 March 1764. His first marriage was to Aletta Gertruida MOSTERT (Daughter of Johannes Jacobus MOSTERT and Aletta Gertruida LOUBSCHER).

They had two children.

He then married Susanna Francina VERWEY (Daughter of Dirk Gysbert VERWEY and Maria Johanna van der WESTHUIZEN)

They had three children.

Sources:

1. National Archives of South Africa
2. Familysearch.org