We are not comparing the same profile (have not checked where your Lea fits in)
Her maiden name was not BARNARD as previously been erroneously entered.
She fits into this tree:
b 4 c 9 d 1 e 3 Jacobus (BOTHA) » 3.3.1788 x Swellendam, Des. 1808 Lea Jacoba BARNARD (b2c6d7) * 31.5.1790 d.v. Adam BARNARD » 1.3.1750, burger Swellendam † 1.10.1814 x 12.11.1775 Maria Susanna KOEN
b 4 c 9 d 1 e 3 f 1 Jacobus Marthinus » 13.11.1809 x NN xx George 2.3.1837 Stephasina Anna Catharina BEKKER
g? Petrus Johannes * 4.6.1838 » George 1.7.1838
b 4 c 9 d 1 e 3 f 2 Maria Susanna » 20.3.1811 x C.H. BOSHOF
b 4 c 9 d 1 e 3 f 3 Martha Jacoba * 31.5.1814 » George 5.6.1814
b 4 c 9 d 1 e 3 f 4 Lea Magdalena Dorothea * 27.11.1816 » George 8.12.1816 † 3.1.1897 x George 10.5.1835 Marthinus Christoffel BOTHA * “Voorbrug”, dist. George 30.8.1812 † “Gwayang”, dist. George 9.4.1889
Thank you Daniel much appreciated I also checked on TANAP which has his name as Jacobus Botha as well
http://databases.tanap.net/mooc/main_article.cfm?id=MOOC8%2F46%2E10...
Her grandfather's date of death is shown here as 1 October 1814 but the above link states his date of death as 1 December 1831. Enjoy your trip
Regards
Zena Opperman