Cornelis Johannes Carstens, e7f2

Hi Everybody,
In carefully looking at the following two profiles I believe there's a mistake in SAF
Jacobus Cornelis Carstens, e7f2
Cornelis Johannes Carstens, e7f4

SAF says:
Cornelis Johannes * 31.12.1852 x 22.12.1879 Huibrecht Maria KOTZE
Huibrecht Maria KOTZEs’ Death Notice:
https://familysearch.org/ark:/61903/3:1:3Q9M-CSQ8-H95F-2?cat=331262
*1854 Cape Colony, South Africa † March 15, 1892 (38) Cape Town, Cape Town, Western Cape, South Africa
1. Frederik Christoffel Carstens;
2. Dirk Jacobus Petrus Carstens;
3. Catharina Helena Carstens
4. Jacobus Gideon Carstens

However Cornelis Johannes Carstens, e7f2s’ Death Notice:
Cornelis Johannes Carstens, e7f2 b. December 31, 1852, Western Cape, South Africa; d. February 4, 1912, Malmesbury, West Coast DC, Western Cape, South Africa
https://familysearch.org/ark:/61903/3:1:3Q9M-C91C-7SHZ-2?cat=331262
+Adriana Rachel Maria Carstens (Visser) b. October 1864, Malmesbury, West Coast DC, Western Cape, South Africa; d. August 9, 1944, Middelburg, Malmesbury, West Coast DC, Western Cape, South Africa
https://familysearch.org/ark:/61903/3:1:3Q9M-C91C-XSLV-V?i=1092&amp......
1 Jacobus Christiaan Carstens +Unk Carstens
1.1 Cornelius Johannes Carstens
1.2 Jacobus Christiaan Hendrik Carstens
1.3 Adriana Rachel Maria *yers (Carstens)
1.4 Susanna Jacoba Carstens
1.5 Christina Hester Immelman (Carstens)
1.6 Johannes Andries Carstens
1.7 Maria Christina Carstens
2 Cornelis Johannes Carstens b. 1879, Malmesbury, West Coast DC, Western Cape, South Africa; d. January 31, 1934, Middelburgh Farm, Malmesbury, West Coast DC, Western Cape, South Africa +Margaretha Wilhelmina Carstens (Lategan)
2.1 Margaretha Wilhelmina Truter (Carstens)
2.2 Cornelius Johannes Carstens b. April 25, 1912
2.3 Adriana Rachel Maria Lategan (Carstens) b. May 25, 1916
2.4 Jan Johannes Carstens b. September 11, 1918
2.5 Maria Christina Dombrach (Carstens) b. October 20, 1923
2.6 Jacobus Christiaan Carstens b. April 7, 1929
3 Alwijn Jacobus Nicolaas Carstens
4 Casper Gerhardus Christoffel Carstens +Unk Carstens
4.1 Maatje Helena Carstens
4.2 Adriana Rachel Maria Carstens
4.3 Hester Helena Carstens
5 Christiaan Hendrik Nicolaas Carstens
6 Maria Christina Theron (Carstens) +Jacobus Theron
7 Petrus Daniel Carstens