Children:
- Maria Elizabeth Seal was born on 21 Nov 1853; was christened on 15 Feb 1854 in Humansdorp, Eastern Cape, South Africa; died on 15 Sep 1929 in Goode Hoop, Humansdorp district, Eastern Cape, South Africa.
- 1. Emma Seal was born about 1856 in Humansdorp, Eastern Cape, South Africa; died on 2 Aug 1893 in Humansdorp, Eastern Cape, South Africa.
- Helena Clasina Seal was born on 24 May 1857; was christened on 10 Jan 1858 in Humansdorp, Eastern Cape, South Africa.
- Clasina Adriana Seal was born on 24 Nov 1858; was christened on 15 Mar 1859 in Humansdorp, Eastern Cape, South Africa.
- Willem Arnoldus Seal was born on 13 Sep 1860; was christened on 10 Feb 1861 in Humansdorp, Eastern Cape, South Africa.
- Helena Susanna Margaretha Seal was born on 26 Jul 1862; was christened on 17 May 1863 in Humansdorp, Eastern Cape, South Africa.
- Willem Arnoldus Seal was born on 18 Apr 1865; was christened on 3 Sep 1865 in Humansdorp, Eastern Cape, South Africa; died on 17 Mar 1931 in Goode Hoop, Humansdorp district, Eastern Cape, South Africa.
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