Children:
- GRADWELL Roston Douglas was born on 8 Feb 1897 in Grahamstown, South Africa; was christened on 27 Mar 1897 in Grahamstown, South Africa.
- 1. GRADWELL Talbot Aubrey was born on 15 May 1900 in Grahamstown, South Africa; was christened on 29 Apr 1900 in Grahamstown, South Africa; died on 1 Sep 1958 in Imperial Hotel, Parys, Orange Free State, South Africa.
- GRADWELL Melville Gordon was born on 6 May 1905 in Grahamstown, South Africa; was christened on 4 Jun 1905 in Alicedale, Grahamstown, South Africa.
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