Johanna Catharina Lambrechts - Incorrect husband

cf Izaak Andries van Niekerk

Private User can you come and take a look?

The Johanna Cathriena Lambregtz which I believe to be Isaak Andries wife is this one
Johanna Cathriena Lambregtz
Baptism – 1 Aug 1790
Born – 13 Jun 1790
Place – Swartland
Parents – Johannes Lambregtz and Helena Alberta Loubser
Parish registers for the Dutch Reformed Church at Swartland, Cape Province - Baptisms 1751-1824 – Film 008147789 Image 181 of 623
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSKD-LQQQ-Y?cat=99...

This is there marriage, unfortunately there is no age given -
Isaack Andries Nieuwkerken and Johanna Cathriena Lambregtz
Marriage
21 Apr 1811
Cape Town
Parish registers, Nederduitse Gereformeerde Kerk, Cape Town (Cape Province), 1695-1976 - Marriages 1757-1803, 1737-1818 -Film 008039065 Image 823 of 876
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSFQ-SRTN?i=822&am...

https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSQF-VRJ6?i=536

Filled 25 Apr 1864
Name- Johanna Catharina Lambrecht
Birth – This colony
Parents – Hugo Amos Lambrecht, deceased
Johanna Catharina de Kock
Age – 51 years 5 months 1day
Married – Jacobus Eldeou Louw ,deceased
Day of decease – 1 Jul 1864
At her Residence - ? Malmesburg division/ Swartland
Names of children – Johanna Susanna Louw
Jan Nicolaas Louw
Hugo Amos Louw Majors
Jacobus Eldeou Louw
Maria Magdalena Louw
? ? Louw /19 years
What Property left
Moveably, immovably properties

Signed – H A Louw